--- a/accessible/tests/mochitest/autocomplete.js
+++ b/accessible/tests/mochitest/autocomplete.js
@@ -194,16 +194,21 @@ AutoCompleteResult.prototype =
     return null;
   },
 
   getImageAt: function(aIndex)
   {
     return "";
   },
 
+  getFinalCompleteValueAt: function(aIndex)
+  {
+    return this.getValueAt(aIndex);
+  },
+
   removeValueAt: function (aRowIndex, aRemoveFromDb) {},
 
   // nsISupports implementation
   QueryInterface: function(iid) {
     if (iid.equals(nsISupports) ||
         iid.equals(nsIAutoCompleteResult))
       return this;
 

--- a/b2g/chrome/content/shell.js
+++ b/b2g/chrome/content/shell.js
@@ -778,20 +778,16 @@ var CustomEventManager = {
           JSON.stringify({ callerID: detail.chromeEventID,
                            keyword: detail.keyword,
                            manifestURL: detail.manifestURL,
                            selectedApps: detail.peers }));
         break;
       case 'inputmethod-update-layouts':
         KeyboardHelper.handleEvent(detail);
         break;
-      case 'nfc-hardware-state-change':
-        Services.obs.notifyObservers(null, 'nfc-hardware-state-change',
-          JSON.stringify({ nfcHardwareState: detail.nfcHardwareState }));
-        break;
     }
   }
 }
 
 var AlertsHelper = {
   _listeners: {},
   _count: 0,
 

--- a/b2g/config/emulator-ics/sources.xml
+++ b/b2g/config/emulator-ics/sources.xml
@@ -14,17 +14,17 @@
   <!--original fetch url was git://github.com/apitrace/-->
   <remote fetch="https://git.mozilla.org/external/apitrace" name="apitrace"/>
   <default remote="caf" revision="refs/tags/android-4.0.4_r2.1" sync-j="4"/>
   <!-- Gonk specific things and forks -->
   <project name="platform_build" path="build" remote="b2g" revision="1ad48c4be51b279f7f63c1a13025b52fe087d231">
     <copyfile dest="Makefile" src="core/root.mk"/>
   </project>
   <project name="fake-dalvik" path="dalvik" remote="b2g" revision="ca1f327d5acc198bb4be62fa51db2c039032c9ce"/>
-  <project name="gaia.git" path="gaia" remote="mozillaorg" revision="76c94ac5dc3b8e17cc23d9cc3e2662b0d5d28b2e"/>
+  <project name="gaia.git" path="gaia" remote="mozillaorg" revision="7e93b6de9633a162b735252e8182974456f741f4"/>
   <project name="gonk-misc" path="gonk-misc" remote="b2g" revision="266bca6e60dad43e395f38b66edabe8bdc882334"/>
   <project name="rilproxy" path="rilproxy" remote="b2g" revision="827214fcf38d6569aeb5c6d6f31cb296d1f09272"/>
   <project name="platform_hardware_ril" path="hardware/ril" remote="b2g" revision="55bcc2d7e44dc805c24b57d1e783fc26e8a2ee86"/>
   <project name="platform_external_qemu" path="external/qemu" remote="b2g" revision="99a67a75855d8ca077018c819aedd90bf0447d9b"/>
   <project name="moztt" path="external/moztt" remote="b2g" revision="ce95d372e6d285725b96490afdaaf489ad8f9ca9"/>
   <project name="apitrace" path="external/apitrace" remote="apitrace" revision="8d6c36d74ba9aefbc8c3618fc93dd4907a0dbf5e"/>
   <!-- Stock Android things -->
   <project name="platform/abi/cpp" path="abi/cpp" revision="dd924f92906085b831bf1cbbc7484d3c043d613c"/>

--- a/b2g/config/emulator-jb/sources.xml
+++ b/b2g/config/emulator-jb/sources.xml
@@ -12,17 +12,17 @@
   <!--original fetch url was https://git.mozilla.org/releases-->
   <remote fetch="https://git.mozilla.org/releases" name="mozillaorg"/>
   <!-- B2G specific things. -->
   <project name="platform_build" path="build" remote="b2g" revision="e6383e6e785cc3ea237e902beb1092f9aa88e29d">
     <copyfile dest="Makefile" src="core/root.mk"/>
   </project>
   <project name="rilproxy" path="rilproxy" remote="b2g" revision="827214fcf38d6569aeb5c6d6f31cb296d1f09272"/>
   <project name="fake-libdvm" path="dalvik" remote="b2g" revision="d50ae982b19f42f0b66d08b9eb306be81687869f"/>
-  <project name="gaia" path="gaia" remote="mozillaorg" revision="76c94ac5dc3b8e17cc23d9cc3e2662b0d5d28b2e"/>
+  <project name="gaia" path="gaia" remote="mozillaorg" revision="7e93b6de9633a162b735252e8182974456f741f4"/>
   <project name="gonk-misc" path="gonk-misc" remote="b2g" revision="266bca6e60dad43e395f38b66edabe8bdc882334"/>
   <project name="moztt" path="external/moztt" remote="b2g" revision="ce95d372e6d285725b96490afdaaf489ad8f9ca9"/>
   <project name="apitrace" path="external/apitrace" remote="apitrace" revision="8d6c36d74ba9aefbc8c3618fc93dd4907a0dbf5e"/>
   <project name="valgrind" path="external/valgrind" remote="b2g" revision="daa61633c32b9606f58799a3186395fd2bbb8d8c"/>
   <project name="vex" path="external/VEX" remote="b2g" revision="47f031c320888fe9f3e656602588565b52d43010"/>
   <!-- Stock Android things -->
   <project groups="linux" name="platform/prebuilts/clang/linux-x86/3.1" path="prebuilts/clang/linux-x86/3.1" revision="5c45f43419d5582949284eee9cef0c43d866e03b"/>
   <project groups="linux" name="platform/prebuilts/clang/linux-x86/3.2" path="prebuilts/clang/linux-x86/3.2" revision="3748b4168e7bd8d46457d4b6786003bc6a5223ce"/>
@@ -126,11 +126,11 @@
   <!-- Emulator specific things -->
   <project name="android-development" path="development" remote="b2g" revision="dab55669da8f48b6e57df95d5af9f16b4a87b0b1"/>
   <project name="device/generic/armv7-a-neon" path="device/generic/armv7-a-neon" revision="3a9a17613cc685aa232432566ad6cc607eab4ec1"/>
   <project name="device_generic_goldfish" path="device/generic/goldfish" remote="b2g" revision="09485b73629856b21b2ed6073e327ab0e69a1189"/>
   <project name="platform/external/libnfc-nci" path="external/libnfc-nci" revision="7d33aaf740bbf6c7c6e9c34a92b371eda311b66b"/>
   <project name="platform_external_qemu" path="external/qemu" remote="b2g" revision="8afce6d5d48b71b6e7cb917179fb6147fb747521"/>
   <project name="platform/external/wpa_supplicant_8" path="external/wpa_supplicant_8" revision="0e56e450367cd802241b27164a2979188242b95f"/>
   <project name="platform_hardware_ril" path="hardware/ril" remote="b2g" revision="72e3a520e3c700839f07ba0113fd527b923c3330"/>
-  <project name="platform_system_nfcd" path="system/nfcd" remote="b2g" revision="6a7ada569fd37c09ed4bbee6eb78cea5b467b229"/>
+  <project name="platform_system_nfcd" path="system/nfcd" remote="b2g" revision="baaf899afb158b9530690002f3656e958e3eb047"/>
   <project name="android-sdk" path="sdk" remote="b2g" revision="8b1365af38c9a653df97349ee53a3f5d64fd590a"/>
 </manifest>

--- a/b2g/config/emulator-kk/sources.xml
+++ b/b2g/config/emulator-kk/sources.xml
@@ -10,17 +10,17 @@
   <!--original fetch url was git://codeaurora.org/-->
   <remote fetch="https://git.mozilla.org/external/caf" name="caf"/>
   <!--original fetch url was https://git.mozilla.org/releases-->
   <remote fetch="https://git.mozilla.org/releases" name="mozillaorg"/>
   <!-- B2G specific things. -->
   <project name="platform_build" path="build" remote="b2g" revision="52c909ccead537f8f9dbf634f3e6639078a8b0bd">
     <copyfile dest="Makefile" src="core/root.mk"/>
   </project>
-  <project name="gaia" path="gaia" remote="mozillaorg" revision="76c94ac5dc3b8e17cc23d9cc3e2662b0d5d28b2e"/>
+  <project name="gaia" path="gaia" remote="mozillaorg" revision="7e93b6de9633a162b735252e8182974456f741f4"/>
   <project name="fake-libdvm" path="dalvik" remote="b2g" revision="d50ae982b19f42f0b66d08b9eb306be81687869f"/>
   <project name="gonk-misc" path="gonk-misc" remote="b2g" revision="266bca6e60dad43e395f38b66edabe8bdc882334"/>
   <project name="moztt" path="external/moztt" remote="b2g" revision="ce95d372e6d285725b96490afdaaf489ad8f9ca9"/>
   <project name="rilproxy" path="rilproxy" remote="b2g" revision="827214fcf38d6569aeb5c6d6f31cb296d1f09272"/>
   <project name="valgrind" path="external/valgrind" remote="b2g" revision="daa61633c32b9606f58799a3186395fd2bbb8d8c"/>
   <project name="vex" path="external/VEX" remote="b2g" revision="47f031c320888fe9f3e656602588565b52d43010"/>
   <project name="apitrace" path="external/apitrace" remote="apitrace" revision="8d6c36d74ba9aefbc8c3618fc93dd4907a0dbf5e"/>
   <!-- Stock Android things -->

--- a/b2g/config/emulator/sources.xml
+++ b/b2g/config/emulator/sources.xml
@@ -14,17 +14,17 @@
   <!--original fetch url was git://github.com/apitrace/-->
   <remote fetch="https://git.mozilla.org/external/apitrace" name="apitrace"/>
   <default remote="caf" revision="refs/tags/android-4.0.4_r2.1" sync-j="4"/>
   <!-- Gonk specific things and forks -->
   <project name="platform_build" path="build" remote="b2g" revision="1ad48c4be51b279f7f63c1a13025b52fe087d231">
     <copyfile dest="Makefile" src="core/root.mk"/>
   </project>
   <project name="fake-dalvik" path="dalvik" remote="b2g" revision="ca1f327d5acc198bb4be62fa51db2c039032c9ce"/>
-  <project name="gaia.git" path="gaia" remote="mozillaorg" revision="76c94ac5dc3b8e17cc23d9cc3e2662b0d5d28b2e"/>
+  <project name="gaia.git" path="gaia" remote="mozillaorg" revision="7e93b6de9633a162b735252e8182974456f741f4"/>
   <project name="gonk-misc" path="gonk-misc" remote="b2g" revision="266bca6e60dad43e395f38b66edabe8bdc882334"/>
   <project name="rilproxy" path="rilproxy" remote="b2g" revision="827214fcf38d6569aeb5c6d6f31cb296d1f09272"/>
   <project name="platform_hardware_ril" path="hardware/ril" remote="b2g" revision="55bcc2d7e44dc805c24b57d1e783fc26e8a2ee86"/>
   <project name="platform_external_qemu" path="external/qemu" remote="b2g" revision="99a67a75855d8ca077018c819aedd90bf0447d9b"/>
   <project name="moztt" path="external/moztt" remote="b2g" revision="ce95d372e6d285725b96490afdaaf489ad8f9ca9"/>
   <project name="apitrace" path="external/apitrace" remote="apitrace" revision="8d6c36d74ba9aefbc8c3618fc93dd4907a0dbf5e"/>
   <!-- Stock Android things -->
   <project name="platform/abi/cpp" path="abi/cpp" revision="dd924f92906085b831bf1cbbc7484d3c043d613c"/>

--- a/b2g/config/flame/sources.xml
+++ b/b2g/config/flame/sources.xml
@@ -13,17 +13,17 @@
   <remote fetch="https://git.mozilla.org/releases" name="mozillaorg"/>
   <!-- B2G specific things. -->
   <project name="platform_build" path="build" remote="b2g" revision="e6383e6e785cc3ea237e902beb1092f9aa88e29d">
     <copyfile dest="Makefile" src="core/root.mk"/>
   </project>
   <project name="rilproxy" path="rilproxy" remote="b2g" revision="827214fcf38d6569aeb5c6d6f31cb296d1f09272"/>
   <project name="librecovery" path="librecovery" remote="b2g" revision="1f6a1fe07f81c5bc5e1d079c9b60f7f78ca2bf4f"/>
   <project name="fake-libdvm" path="dalvik" remote="b2g" revision="d50ae982b19f42f0b66d08b9eb306be81687869f"/>
-  <project name="gaia" path="gaia" remote="mozillaorg" revision="76c94ac5dc3b8e17cc23d9cc3e2662b0d5d28b2e"/>
+  <project name="gaia" path="gaia" remote="mozillaorg" revision="7e93b6de9633a162b735252e8182974456f741f4"/>
   <project name="gonk-misc" path="gonk-misc" remote="b2g" revision="266bca6e60dad43e395f38b66edabe8bdc882334"/>
   <project name="moztt" path="external/moztt" remote="b2g" revision="ce95d372e6d285725b96490afdaaf489ad8f9ca9"/>
   <project name="apitrace" path="external/apitrace" remote="apitrace" revision="8d6c36d74ba9aefbc8c3618fc93dd4907a0dbf5e"/>
   <project name="valgrind" path="external/valgrind" remote="b2g" revision="daa61633c32b9606f58799a3186395fd2bbb8d8c"/>
   <project name="vex" path="external/VEX" remote="b2g" revision="47f031c320888fe9f3e656602588565b52d43010"/>
   <!-- Stock Android things -->
   <project groups="linux" name="platform/prebuilts/clang/linux-x86/3.1" path="prebuilts/clang/linux-x86/3.1" revision="e95b4ce22c825da44d14299e1190ea39a5260bde"/>
   <project groups="linux" name="platform/prebuilts/clang/linux-x86/3.2" path="prebuilts/clang/linux-x86/3.2" revision="471afab478649078ad7c75ec6b252481a59e19b8"/>

--- a/b2g/config/gaia.json
+++ b/b2g/config/gaia.json
@@ -1,9 +1,9 @@
 {
     "git": {
         "git_revision": "", 
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "26f2c60c0ba0e64114467663c33c82360c13f4cf", 
+    "revision": "38d1561fe26c12f371c44a47c498722ce06518c2", 
     "repo_path": "/integration/gaia-central"
 }

--- a/b2g/config/hamachi/sources.xml
+++ b/b2g/config/hamachi/sources.xml
@@ -12,17 +12,17 @@
   <!--original fetch url was git://github.com/apitrace/-->
   <remote fetch="https://git.mozilla.org/external/apitrace" name="apitrace"/>
   <default remote="caf" revision="b2g/ics_strawberry" sync-j="4"/>
   <!-- Gonk specific things and forks -->
   <project name="platform_build" path="build" remote="b2g" revision="1ad48c4be51b279f7f63c1a13025b52fe087d231">
     <copyfile dest="Makefile" src="core/root.mk"/>
   </project>
   <project name="fake-dalvik" path="dalvik" remote="b2g" revision="ca1f327d5acc198bb4be62fa51db2c039032c9ce"/>
-  <project name="gaia.git" path="gaia" remote="mozillaorg" revision="76c94ac5dc3b8e17cc23d9cc3e2662b0d5d28b2e"/>
+  <project name="gaia.git" path="gaia" remote="mozillaorg" revision="7e93b6de9633a162b735252e8182974456f741f4"/>
   <project name="gonk-misc" path="gonk-misc" remote="b2g" revision="266bca6e60dad43e395f38b66edabe8bdc882334"/>
   <project name="rilproxy" path="rilproxy" remote="b2g" revision="827214fcf38d6569aeb5c6d6f31cb296d1f09272"/>
   <project name="librecovery" path="librecovery" remote="b2g" revision="1f6a1fe07f81c5bc5e1d079c9b60f7f78ca2bf4f"/>
   <project name="moztt" path="external/moztt" remote="b2g" revision="ce95d372e6d285725b96490afdaaf489ad8f9ca9"/>
   <project name="apitrace" path="external/apitrace" remote="apitrace" revision="8d6c36d74ba9aefbc8c3618fc93dd4907a0dbf5e"/>
   <!-- Stock Android things -->
   <project name="platform/abi/cpp" path="abi/cpp" revision="6426040f1be4a844082c9769171ce7f5341a5528"/>
   <project name="platform/bionic" path="bionic" revision="d2eb6c7b6e1bc7643c17df2d9d9bcb1704d0b9ab"/>

--- a/b2g/config/helix/sources.xml
+++ b/b2g/config/helix/sources.xml
@@ -10,17 +10,17 @@
   <!--original fetch url was https://git.mozilla.org/releases-->
   <remote fetch="https://git.mozilla.org/releases" name="mozillaorg"/>
   <default remote="caf" revision="b2g/ics_strawberry" sync-j="4"/>
   <!-- Gonk specific things and forks -->
   <project name="platform_build" path="build" remote="b2g" revision="1ad48c4be51b279f7f63c1a13025b52fe087d231">
     <copyfile dest="Makefile" src="core/root.mk"/>
   </project>
   <project name="fake-dalvik" path="dalvik" remote="b2g" revision="ca1f327d5acc198bb4be62fa51db2c039032c9ce"/>
-  <project name="gaia.git" path="gaia" remote="mozillaorg" revision="76c94ac5dc3b8e17cc23d9cc3e2662b0d5d28b2e"/>
+  <project name="gaia.git" path="gaia" remote="mozillaorg" revision="7e93b6de9633a162b735252e8182974456f741f4"/>
   <project name="gonk-misc" path="gonk-misc" remote="b2g" revision="266bca6e60dad43e395f38b66edabe8bdc882334"/>
   <project name="rilproxy" path="rilproxy" remote="b2g" revision="827214fcf38d6569aeb5c6d6f31cb296d1f09272"/>
   <project name="librecovery" path="librecovery" remote="b2g" revision="1f6a1fe07f81c5bc5e1d079c9b60f7f78ca2bf4f"/>
   <project name="moztt" path="external/moztt" remote="b2g" revision="ce95d372e6d285725b96490afdaaf489ad8f9ca9"/>
   <project name="gonk-patches" path="patches" remote="b2g" revision="223a2421006e8f5da33f516f6891c87cae86b0f6"/>
   <!-- Stock Android things -->
   <project name="platform/abi/cpp" path="abi/cpp" revision="6426040f1be4a844082c9769171ce7f5341a5528"/>
   <project name="platform/bionic" path="bionic" revision="d2eb6c7b6e1bc7643c17df2d9d9bcb1704d0b9ab"/>

--- a/b2g/config/inari/sources.xml
+++ b/b2g/config/inari/sources.xml
@@ -14,17 +14,17 @@
   <!--original fetch url was git://github.com/apitrace/-->
   <remote fetch="https://git.mozilla.org/external/apitrace" name="apitrace"/>
   <default remote="caf" revision="ics_chocolate_rb4.2" sync-j="4"/>
   <!-- Gonk specific things and forks -->
   <project name="platform_build" path="build" remote="b2g" revision="1ad48c4be51b279f7f63c1a13025b52fe087d231">
     <copyfile dest="Makefile" src="core/root.mk"/>
   </project>
   <project name="fake-dalvik" path="dalvik" remote="b2g" revision="ca1f327d5acc198bb4be62fa51db2c039032c9ce"/>
-  <project name="gaia.git" path="gaia" remote="mozillaorg" revision="76c94ac5dc3b8e17cc23d9cc3e2662b0d5d28b2e"/>
+  <project name="gaia.git" path="gaia" remote="mozillaorg" revision="7e93b6de9633a162b735252e8182974456f741f4"/>
   <project name="gonk-misc" path="gonk-misc" remote="b2g" revision="266bca6e60dad43e395f38b66edabe8bdc882334"/>
   <project name="rilproxy" path="rilproxy" remote="b2g" revision="827214fcf38d6569aeb5c6d6f31cb296d1f09272"/>
   <project name="librecovery" path="librecovery" remote="b2g" revision="1f6a1fe07f81c5bc5e1d079c9b60f7f78ca2bf4f"/>
   <project name="moztt" path="external/moztt" remote="b2g" revision="ce95d372e6d285725b96490afdaaf489ad8f9ca9"/>
   <project name="apitrace" path="external/apitrace" remote="apitrace" revision="8d6c36d74ba9aefbc8c3618fc93dd4907a0dbf5e"/>
   <!-- Stock Android things -->
   <project name="platform/abi/cpp" path="abi/cpp" revision="6426040f1be4a844082c9769171ce7f5341a5528"/>
   <project name="platform/bionic" path="bionic" revision="cd5dfce80bc3f0139a56b58aca633202ccaee7f8"/>

--- a/b2g/config/leo/sources.xml
+++ b/b2g/config/leo/sources.xml
@@ -12,17 +12,17 @@
   <!--original fetch url was git://github.com/apitrace/-->
   <remote fetch="https://git.mozilla.org/external/apitrace" name="apitrace"/>
   <default remote="caf" revision="b2g/ics_strawberry" sync-j="4"/>
   <!-- Gonk specific things and forks -->
   <project name="platform_build" path="build" remote="b2g" revision="1ad48c4be51b279f7f63c1a13025b52fe087d231">
     <copyfile dest="Makefile" src="core/root.mk"/>
   </project>
   <project name="fake-dalvik" path="dalvik" remote="b2g" revision="ca1f327d5acc198bb4be62fa51db2c039032c9ce"/>
-  <project name="gaia.git" path="gaia" remote="mozillaorg" revision="76c94ac5dc3b8e17cc23d9cc3e2662b0d5d28b2e"/>
+  <project name="gaia.git" path="gaia" remote="mozillaorg" revision="7e93b6de9633a162b735252e8182974456f741f4"/>
   <project name="gonk-misc" path="gonk-misc" remote="b2g" revision="266bca6e60dad43e395f38b66edabe8bdc882334"/>
   <project name="rilproxy" path="rilproxy" remote="b2g" revision="827214fcf38d6569aeb5c6d6f31cb296d1f09272"/>
   <project name="librecovery" path="librecovery" remote="b2g" revision="1f6a1fe07f81c5bc5e1d079c9b60f7f78ca2bf4f"/>
   <project name="moztt" path="external/moztt" remote="b2g" revision="ce95d372e6d285725b96490afdaaf489ad8f9ca9"/>
   <project name="apitrace" path="external/apitrace" remote="apitrace" revision="8d6c36d74ba9aefbc8c3618fc93dd4907a0dbf5e"/>
   <project name="gonk-patches" path="patches" remote="b2g" revision="223a2421006e8f5da33f516f6891c87cae86b0f6"/>
   <!-- Stock Android things -->
   <project name="platform/abi/cpp" path="abi/cpp" revision="6426040f1be4a844082c9769171ce7f5341a5528"/>

--- a/b2g/config/mako/sources.xml
+++ b/b2g/config/mako/sources.xml
@@ -12,17 +12,17 @@
   <!--original fetch url was https://git.mozilla.org/releases-->
   <remote fetch="https://git.mozilla.org/releases" name="mozillaorg"/>
   <!-- B2G specific things. -->
   <project name="platform_build" path="build" remote="b2g" revision="e6383e6e785cc3ea237e902beb1092f9aa88e29d">
     <copyfile dest="Makefile" src="core/root.mk"/>
   </project>
   <project name="rilproxy" path="rilproxy" remote="b2g" revision="827214fcf38d6569aeb5c6d6f31cb296d1f09272"/>
   <project name="fake-libdvm" path="dalvik" remote="b2g" revision="d50ae982b19f42f0b66d08b9eb306be81687869f"/>
-  <project name="gaia" path="gaia" remote="mozillaorg" revision="76c94ac5dc3b8e17cc23d9cc3e2662b0d5d28b2e"/>
+  <project name="gaia" path="gaia" remote="mozillaorg" revision="7e93b6de9633a162b735252e8182974456f741f4"/>
   <project name="gonk-misc" path="gonk-misc" remote="b2g" revision="266bca6e60dad43e395f38b66edabe8bdc882334"/>
   <project name="moztt" path="external/moztt" remote="b2g" revision="ce95d372e6d285725b96490afdaaf489ad8f9ca9"/>
   <project name="apitrace" path="external/apitrace" remote="apitrace" revision="8d6c36d74ba9aefbc8c3618fc93dd4907a0dbf5e"/>
   <project name="valgrind" path="external/valgrind" remote="b2g" revision="daa61633c32b9606f58799a3186395fd2bbb8d8c"/>
   <project name="vex" path="external/VEX" remote="b2g" revision="47f031c320888fe9f3e656602588565b52d43010"/>
   <!-- Stock Android things -->
   <project groups="linux" name="platform/prebuilts/clang/linux-x86/3.1" path="prebuilts/clang/linux-x86/3.1" revision="5c45f43419d5582949284eee9cef0c43d866e03b"/>
   <project groups="linux" name="platform/prebuilts/clang/linux-x86/3.2" path="prebuilts/clang/linux-x86/3.2" revision="3748b4168e7bd8d46457d4b6786003bc6a5223ce"/>
@@ -122,17 +122,17 @@
   <project name="platform/system/netd" path="system/netd" revision="56112dd7b811301b718d0643a82fd5cac9522073"/>
   <project name="platform/system/security" path="system/security" revision="f48ff68fedbcdc12b570b7699745abb6e7574907"/>
   <project name="platform/system/vold" path="system/vold" revision="8de05d4a52b5a91e7336e6baa4592f945a6ddbea"/>
   <default remote="caf" revision="refs/tags/android-4.3_r2.1" sync-j="4"/>
   <!-- Nexus 4 specific things -->
   <project name="device-mako" path="device/lge/mako" remote="b2g" revision="78d17f0c117f0c66dd55ee8d5c5dde8ccc93ecba"/>
   <project name="device/generic/armv7-a-neon" path="device/generic/armv7-a-neon" revision="3a9a17613cc685aa232432566ad6cc607eab4ec1"/>
   <project name="device/lge/mako-kernel" path="device/lge/mako-kernel" revision="d1729e53d71d711c8fde25eab8728ff2b9b4df0e"/>
-  <project name="platform_system_nfcd" path="system/nfcd" remote="b2g" revision="6a7ada569fd37c09ed4bbee6eb78cea5b467b229"/>
+  <project name="platform_system_nfcd" path="system/nfcd" remote="b2g" revision="baaf899afb158b9530690002f3656e958e3eb047"/>
   <project name="platform/external/libnfc-nci" path="external/libnfc-nci" revision="7d33aaf740bbf6c7c6e9c34a92b371eda311b66b"/>
   <project name="platform/external/wpa_supplicant_8" path="external/wpa_supplicant_8" revision="0e56e450367cd802241b27164a2979188242b95f"/>
   <project name="platform/hardware/broadcom/wlan" path="hardware/broadcom/wlan" revision="0e1929fa3aa38bf9d40e9e953d619fab8164c82e"/>
   <project name="platform/hardware/qcom/audio" path="hardware/qcom/audio" revision="b0a528d839cfd9d170d092fe3743b5252b4243a6"/>
   <project name="platform/hardware/qcom/bt" path="hardware/qcom/bt" revision="380945eaa249a2dbdde0daa4c8adb8ca325edba6"/>
   <project name="platform/hardware/qcom/display" path="hardware/qcom/display" revision="6f3b0272cefaffeaed2a7d2bb8f633059f163ddc"/>
   <project name="platform/hardware/qcom/keymaster" path="hardware/qcom/keymaster" revision="16da8262c997a5a0d797885788a64a0771b26910"/>
   <project name="platform/hardware/qcom/media" path="hardware/qcom/media" revision="689b476ba3eb46c34b81343295fe144a0e81a18e"/>

--- a/b2g/config/wasabi/sources.xml
+++ b/b2g/config/wasabi/sources.xml
@@ -12,17 +12,17 @@
   <!--original fetch url was git://github.com/apitrace/-->
   <remote fetch="https://git.mozilla.org/external/apitrace" name="apitrace"/>
   <default remote="caf" revision="ics_chocolate_rb4.2" sync-j="4"/>
   <!-- Gonk specific things and forks -->
   <project name="platform_build" path="build" remote="b2g" revision="1ad48c4be51b279f7f63c1a13025b52fe087d231">
     <copyfile dest="Makefile" src="core/root.mk"/>
   </project>
   <project name="fake-dalvik" path="dalvik" remote="b2g" revision="ca1f327d5acc198bb4be62fa51db2c039032c9ce"/>
-  <project name="gaia.git" path="gaia" remote="mozillaorg" revision="76c94ac5dc3b8e17cc23d9cc3e2662b0d5d28b2e"/>
+  <project name="gaia.git" path="gaia" remote="mozillaorg" revision="7e93b6de9633a162b735252e8182974456f741f4"/>
   <project name="gonk-misc" path="gonk-misc" remote="b2g" revision="266bca6e60dad43e395f38b66edabe8bdc882334"/>
   <project name="rilproxy" path="rilproxy" remote="b2g" revision="827214fcf38d6569aeb5c6d6f31cb296d1f09272"/>
   <project name="librecovery" path="librecovery" remote="b2g" revision="1f6a1fe07f81c5bc5e1d079c9b60f7f78ca2bf4f"/>
   <project name="moztt" path="external/moztt" remote="b2g" revision="ce95d372e6d285725b96490afdaaf489ad8f9ca9"/>
   <project name="apitrace" path="external/apitrace" remote="apitrace" revision="8d6c36d74ba9aefbc8c3618fc93dd4907a0dbf5e"/>
   <project name="gonk-patches" path="patches" remote="b2g" revision="223a2421006e8f5da33f516f6891c87cae86b0f6"/>
   <!-- Stock Android things -->
   <project name="platform/abi/cpp" path="abi/cpp" revision="6426040f1be4a844082c9769171ce7f5341a5528"/>

--- a/browser/base/content/browser.css
+++ b/browser/base/content/browser.css
@@ -117,47 +117,48 @@ tabbrowser {
 }
 
 .tabbrowser-tab:not([pinned]):not([fadein]) {
   max-width: 0.1px;
   min-width: 0.1px;
   visibility: hidden;
 }
 
-.tab-background {
-  /* Explicitly set the visibility to override the value (collapsed)
-   * we inherit from #TabsToolbar[collapsed] upon opening a browser window. */
-  visibility: visible;
-  /* The transition is only delayed for opening tabs. */
-  transition: visibility 0ms 25ms;
-}
-
-.tab-background:not([fadein]):not([pinned]) {
-  visibility: hidden;
-  /* Closing tabs are hidden without a delay. */
-  transition-delay: 0ms;
-}
-
+.tab-background,
 .tab-close-button,
 .tab-label {
   /* Explicitly set the visibility to override the value (collapsed)
    * we inherit from #TabsToolbar[collapsed] upon opening a browser window. */
   visibility: visible;
+}
+
+.tab-background[fadein] {
+  /* This transition is only wanted for opening tabs. */
+  transition: visibility 0ms 25ms;
+}
+
+.tab-background:not([fadein]) {
+  visibility: hidden;
+}
+
+.tab-close-button[fadein],
+.tab-label[fadein] {
+  /* This transition is only wanted for opening tabs. */
   transition: opacity 70ms 230ms,
               visibility 0ms 230ms;
 }
 
-.tab-close-button:not([fadein]):not([pinned]),
-.tab-label:not([fadein]):not([pinned]) {
+.tab-close-button:not([fadein]),
+.tab-label:not([fadein]) {
   visibility: collapse;
   opacity: .6;
 }
 
-.tab-throbber:not([fadein]):not([pinned]),
-.tab-icon-image:not([fadein]):not([pinned]) {
+.tab-throbber:not([fadein]),
+.tab-icon-image:not([fadein]) {
   display: none;
 }
 
 .tabbrowser-tabs[positionpinnedtabs] > .tabbrowser-tab[pinned] {
   position: fixed !important;
   display: block; /* position:fixed already does this (bug 579776), but let's be explicit */
 }
 

--- a/browser/base/content/newtab/page.js
+++ b/browser/base/content/newtab/page.js
@@ -14,19 +14,20 @@ let gPage = {
    */
   init: function Page_init() {
     // Add ourselves to the list of pages to receive notifications.
     gAllPages.register(this);
 
     // Listen for 'unload' to unregister this page.
     addEventListener("unload", this, false);
 
-    // Listen for toggle button clicks.
-    let button = document.getElementById("newtab-toggle");
-    button.addEventListener("click", this, false);
+    // XXX bug 991111 - Not all click events are correctly triggered when
+    // listening from xhtml nodes -- in particular middle clicks on sites, so
+    // listen from the xul window and filter then delegate
+    addEventListener("click", this, false);
 
     // Initialize sponsored panel
     this._sponsoredPanel = document.getElementById("sponsored-panel");
     let link = this._sponsoredPanel.querySelector(".text-link");
     link.addEventListener("click", () => this._sponsoredPanel.hidePopup());
 
     // Check if the new tab feature is enabled.
     let enabled = gAllPages.enabled;
@@ -191,17 +192,32 @@ let gPage = {
   handleEvent: function Page_handleEvent(aEvent) {
     switch (aEvent.type) {
       case "unload":
         if (this._mutationObserver)
           this._mutationObserver.disconnect();
         gAllPages.unregister(this);
         break;
       case "click":
-        gAllPages.enabled = !gAllPages.enabled;
+        let {button, target} = aEvent;
+        if (target.id == "newtab-toggle") {
+          if (button == 0) {
+            gAllPages.enabled = !gAllPages.enabled;
+          }
+          break;
+        }
+
+        // Go up ancestors until we find a Site or not
+        while (target) {
+          if (target.hasOwnProperty("_newtabSite")) {
+            target._newtabSite.onClick(aEvent);
+            break;
+          }
+          target = target.parentNode;
+        }
         break;
       case "dragover":
         if (gDrag.isValid(aEvent) && gDrag.draggedSite)
           aEvent.preventDefault();
         break;
       case "drop":
         if (gDrag.isValid(aEvent) && gDrag.draggedSite) {
           aEvent.preventDefault();

--- a/browser/base/content/newtab/sites.js
+++ b/browser/base/content/newtab/sites.js
@@ -165,20 +165,16 @@ Site.prototype = {
    * Adds event handlers for the site and its buttons.
    */
   _addEventHandlers: function Site_addEventHandlers() {
     // Register drag-and-drop event handlers.
     this._node.addEventListener("dragstart", this, false);
     this._node.addEventListener("dragend", this, false);
     this._node.addEventListener("mouseover", this, false);
 
-    // XXX bug 991111 - Not all click events are correctly triggered when
-    // listening from the xhtml node, so listen from the xul window and filter
-    addEventListener("click", this, false);
-
     // Specially treat the sponsored icon to prevent regular hover effects
     let sponsored = this._querySelector(".newtab-control-sponsored");
     sponsored.addEventListener("mouseover", () => {
       this.cell.node.setAttribute("ignorehover", "true");
     });
     sponsored.addEventListener("mouseout", () => {
       this.cell.node.removeAttribute("ignorehover");
     });
@@ -213,21 +209,29 @@ Site.prototype = {
       Services.telemetry.getHistogramById("NEWTAB_PAGE_DIRECTORY_TYPE_CLICKED")
                         .add(typeIndex);
     }
   },
 
   /**
    * Handles site click events.
    */
-  _onClick: function Site_onClick(aEvent) {
-    let target = aEvent.target;
+  onClick: function Site_onClick(aEvent) {
+    let {button, target} = aEvent;
     if (target.classList.contains("newtab-link") ||
         target.parentElement.classList.contains("newtab-link")) {
-      this._recordSiteClicked(this.cell.index);
+      // Record for primary and middle clicks
+      if (button == 0 || button == 1) {
+        this._recordSiteClicked(this.cell.index);
+      }
+      return;
+    }
+
+    // Only handle primary clicks for the remaining targets
+    if (button != 0) {
       return;
     }
 
     aEvent.preventDefault();
     if (aEvent.target.classList.contains("newtab-control-block"))
       this.block();
     else if (target.classList.contains("newtab-control-sponsored"))
       gPage.showSponsoredPanel(target);
@@ -237,23 +241,16 @@ Site.prototype = {
       this.pin();
   },
 
   /**
    * Handles all site events.
    */
   handleEvent: function Site_handleEvent(aEvent) {
     switch (aEvent.type) {
-      case "click":
-        // Check the bitmask if the click event is for the site's descendants
-        if (this._node.compareDocumentPosition(aEvent.target) &
-            this._node.DOCUMENT_POSITION_CONTAINED_BY) {
-          this._onClick(aEvent);
-        }
-        break;
       case "mouseover":
         this._node.removeEventListener("mouseover", this, false);
         this._speculativeConnect();
         break;
       case "dragstart":
         gDrag.start(this, aEvent);
         break;
       case "dragend":

--- a/browser/base/content/tabbrowser.xml
+++ b/browser/base/content/tabbrowser.xml
@@ -285,17 +285,16 @@
 
       <method name="unpinTab">
         <parameter name="aTab"/>
         <body><![CDATA[
           if (!aTab.pinned)
             return;
 
           this.moveTabTo(aTab, this._numPinnedTabs - 1);
-          aTab.setAttribute("fadein", "true");
           aTab.removeAttribute("pinned");
           aTab.style.MozMarginStart = "";
           this.tabContainer._unlockTabSizing();
           this.tabContainer._positionPinnedTabs();
           this.tabContainer.adjustTabstrip();
 
           // Bug 961867 - [e10s] Implement the logic for app tabs
           if (!gMultiProcessBrowser)

--- a/browser/base/content/test/newtab/browser.ini
+++ b/browser/base/content/test/newtab/browser.ini
@@ -12,16 +12,17 @@ skip-if = e10s # Bug ?????? - about:newt
 [browser_newtab_bug734043.js]
 [browser_newtab_bug735987.js]
 skip-if = os == "mac" # Intermittent failures, bug 898317
 [browser_newtab_bug752841.js]
 [browser_newtab_bug765628.js]
 [browser_newtab_bug876313.js]
 [browser_newtab_bug991111.js]
 [browser_newtab_bug991210.js]
+[browser_newtab_bug998387.js]
 [browser_newtab_disable.js]
 [browser_newtab_drag_drop.js]
 [browser_newtab_drag_drop_ext.js]
 [browser_newtab_drop_preview.js]
 [browser_newtab_focus.js]
 [browser_newtab_perwindow_private_browsing.js]
 [browser_newtab_reset.js]
 [browser_newtab_sponsored_icon_click.js]

--- a/browser/base/content/test/newtab/browser_newtab_bug991111.js
+++ b/browser/base/content/test/newtab/browser_newtab_bug991111.js
@@ -3,17 +3,17 @@
 
 function runTests() {
   yield setLinks("0");
   yield addNewTabPageTab();
 
   // Remember if the click handler was triggered
   let cell = getCell(0);
   let clicked = false;
-  cell.site._onClick = e => {
+  cell.site.onClick = e => {
     clicked = true;
     executeSoon(TestRunner.next);
   };
 
   // Send a middle-click and make sure it happened
   yield EventUtils.synthesizeMouseAtCenter(cell.node, {button: 1}, getContentWindow());
   ok(clicked, "middle click triggered click listener");
 }

new file mode 100644
--- /dev/null
+++ b/browser/base/content/test/newtab/browser_newtab_bug998387.js
@@ -0,0 +1,25 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function runTests() {
+  yield setLinks("0");
+  yield addNewTabPageTab();
+
+  // Remember if the click handler was triggered
+  let {site} = getCell(0);
+  let origOnClick = site.onClick;
+  let clicked = false;
+  site.onClick = e => {
+    origOnClick.call(site, e);
+    clicked = true;
+    executeSoon(TestRunner.next);
+  };
+
+  // Send a middle-click and make sure it happened
+  let block = getContentDocument().querySelector(".newtab-control-block");
+  yield EventUtils.synthesizeMouseAtCenter(block, {button: 1}, getContentWindow());
+  ok(clicked, "middle click triggered click listener");
+
+  // Make sure the cell didn't actually get blocked
+  checkGrid("0");
+}

--- a/browser/devtools/debugger/test/browser.ini
+++ b/browser/devtools/debugger/test/browser.ini
@@ -144,16 +144,17 @@ support-files =
 [browser_dbg_global-method-override.js]
 [browser_dbg_globalactor.js]
 [browser_dbg_host-layout.js]
 [browser_dbg_iframes.js]
 [browser_dbg_instruments-pane-collapse.js]
 [browser_dbg_listaddons.js]
 [browser_dbg_listtabs-01.js]
 [browser_dbg_listtabs-02.js]
+[browser_dbg_listtabs-03.js]
 [browser_dbg_location-changes-01-simple.js]
 [browser_dbg_location-changes-02-blank.js]
 [browser_dbg_location-changes-03-new.js]
 [browser_dbg_location-changes-04-breakpoint.js]
 [browser_dbg_multiple-windows.js]
 [browser_dbg_navigation.js]
 [browser_dbg_no-page-sources.js]
 [browser_dbg_on-pause-highlight.js]

new file mode 100644
--- /dev/null
+++ b/browser/devtools/debugger/test/browser_dbg_listtabs-03.js
@@ -0,0 +1,80 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Make sure the listTabs request works as specified.
+ */
+
+const TAB1_URL = EXAMPLE_URL + "doc_empty-tab-01.html";
+
+let gTab1, gTab1Actor, gTab2, gTab2Actor, gClient;
+
+function listTabs() {
+  let deferred = promise.defer();
+
+  gClient.listTabs(aResponse => {
+    deferred.resolve(aResponse.tabs);
+  });
+
+  return deferred.promise;
+}
+
+function request(params) {
+  let deferred = promise.defer();
+  gClient.request(params, deferred.resolve);
+  return deferred.promise;
+}
+
+function test() {
+  if (!DebuggerServer.initialized) {
+    DebuggerServer.init(() => true);
+    DebuggerServer.addBrowserActors();
+  }
+
+  let transport = DebuggerServer.connectPipe();
+  gClient = new DebuggerClient(transport);
+  gClient.connect(Task.async(function*(aType, aTraits) {
+    is(aType, "browser",
+      "Root actor should identify itself as a browser.");
+    let tab = yield addTab(TAB1_URL);
+
+    let tabs = yield listTabs();
+    is(tabs.length, 2, "Should be two tabs");
+    let tabGrip = tabs.filter(a => a.url ==TAB1_URL).pop();
+    ok(tabGrip, "Should have an actor for the tab");
+
+    let response = yield request({ to: tabGrip.actor, type: "attach" });
+    is(response.type, "tabAttached", "Should have attached");
+
+    tabs = yield listTabs();
+
+    response = yield request({ to: tabGrip.actor, type: "detach" });
+    is(response.type, "detached", "Should have detached");
+
+    let newGrip = tabs.filter(a => a.url ==TAB1_URL).pop();
+    is(newGrip.actor, tabGrip.actor, "Should have the same actor for the same tab");
+
+    response = yield request({ to: tabGrip.actor, type: "attach" });
+    is(response.type, "tabAttached", "Should have attached");
+    response = yield request({ to: tabGrip.actor, type: "detach" });
+    is(response.type, "detached", "Should have detached");
+
+    yield removeTab(tab);
+    yield closeConnection();
+    finish();
+  }));
+}
+
+function closeConnection() {
+  let deferred = promise.defer();
+  gClient.close(deferred.resolve);
+  return deferred.promise;
+}
+
+registerCleanupFunction(function() {
+  gTab1 = null;
+  gTab1Actor = null;
+  gTab2 = null;
+  gTab2Actor = null;
+  gClient = null;
+});

--- a/content/base/src/nsScriptLoader.cpp
+++ b/content/base/src/nsScriptLoader.cpp
@@ -48,16 +48,17 @@
 #include "nsCrossSiteListenerProxy.h"
 #include "nsSandboxFlags.h"
 #include "nsContentTypeParser.h"
 #include "nsINetworkSeer.h"
 #include "mozilla/dom/EncodingUtils.h"
 
 #include "mozilla/CORSMode.h"
 #include "mozilla/Attributes.h"
+#include "mozilla/unused.h"
 
 #ifdef PR_LOGGING
 static PRLogModuleInfo* gCspPRLog;
 #endif
 
 using namespace mozilla;
 using namespace mozilla::dom;
 
@@ -809,21 +810,20 @@ NotifyOffThreadScriptLoadCompletedRunnab
   }
 
   return rv;
 }
 
 static void
 OffThreadScriptLoaderCallback(void *aToken, void *aCallbackData)
 {
-  NotifyOffThreadScriptLoadCompletedRunnable* aRunnable =
-    static_cast<NotifyOffThreadScriptLoadCompletedRunnable*>(aCallbackData);
+  nsRefPtr<NotifyOffThreadScriptLoadCompletedRunnable> aRunnable =
+    dont_AddRef(static_cast<NotifyOffThreadScriptLoadCompletedRunnable*>(aCallbackData));
   aRunnable->SetToken(aToken);
   NS_DispatchToMainThread(aRunnable);
-  NS_RELEASE(aRunnable);
 }
 
 nsresult
 nsScriptLoader::AttemptAsyncScriptParse(nsScriptLoadRequest* aRequest)
 {
   if (!aRequest->mElement->GetScriptAsync() || aRequest->mIsInline) {
     return NS_ERROR_FAILURE;
   }
@@ -843,31 +843,29 @@ nsScriptLoader::AttemptAsyncScriptParse(
 
   JS::CompileOptions options(cx);
   FillCompileOptionsForRequest(aRequest, global, &options);
 
   if (!JS::CanCompileOffThread(cx, options, aRequest->mScriptText.Length())) {
     return NS_ERROR_FAILURE;
   }
 
-  NotifyOffThreadScriptLoadCompletedRunnable* runnable =
+  nsRefPtr<NotifyOffThreadScriptLoadCompletedRunnable> runnable =
     new NotifyOffThreadScriptLoadCompletedRunnable(aRequest, this);
 
-  // This reference will be consumed by OffThreadScriptLoaderCallback.
-  NS_ADDREF(runnable);
-
   if (!JS::CompileOffThread(cx, options,
                             aRequest->mScriptText.get(), aRequest->mScriptText.Length(),
                             OffThreadScriptLoaderCallback,
                             static_cast<void*>(runnable))) {
     return NS_ERROR_OUT_OF_MEMORY;
   }
 
   mDocument->BlockOnload();
 
+  unused << runnable.forget();
   return NS_OK;
 }
 
 nsresult
 nsScriptLoader::ProcessRequest(nsScriptLoadRequest* aRequest, void **aOffThreadToken)
 {
   NS_ASSERTION(nsContentUtils::IsSafeToRunScript(),
                "Processing requests when running scripts is unsafe.");

--- a/dom/apps/src/InterAppCommService.js
+++ b/dom/apps/src/InterAppCommService.js
@@ -71,31 +71,28 @@ function InterAppCommService() {
   //
   // For example:
   //
   // {
   //   "foo": {
   //     "app://subApp1.gaiamobile.org/manifest.webapp": {
   //       pageURL: "app://subApp1.gaiamobile.org/handler.html",
   //       description: "blah blah",
-  //       appStatus: Ci.nsIPrincipal.APP_STATUS_CERTIFIED,
   //       rules: { ... }
   //     },
   //     "app://subApp2.gaiamobile.org/manifest.webapp": {
   //       pageURL: "app://subApp2.gaiamobile.org/handler.html",
   //       description: "blah blah",
-  //       appStatus: Ci.nsIPrincipal.APP_STATUS_PRIVILEGED,
   //       rules: { ... }
   //     }
   //   },
   //   "bar": {
   //     "app://subApp3.gaiamobile.org/manifest.webapp": {
   //       pageURL: "app://subApp3.gaiamobile.org/handler.html",
   //       description: "blah blah",
-  //       appStatus: Ci.nsIPrincipal.APP_STATUS_INSTALLED,
   //       rules: { ... }
   //     }
   //   }
   // }
   //
   // TODO Bug 908999 - Update registered connections when app gets uninstalled.
   this._registeredConnections = {};
 
@@ -209,38 +206,37 @@ function InterAppCommService() {
   //     }
   //   }
   // }
   this._messagePortPairs = {};
 }
 
 InterAppCommService.prototype = {
   registerConnection: function(aKeyword, aHandlerPageURI, aManifestURI,
-                               aDescription, aAppStatus, aRules) {
+                               aDescription, aRules) {
     let manifestURL = aManifestURI.spec;
     let pageURL = aHandlerPageURI.spec;
 
     if (DEBUG) {
       debug("registerConnection: aKeyword: " + aKeyword +
             " manifestURL: " + manifestURL + " pageURL: " + pageURL +
-            " aDescription: " + aDescription + " aAppStatus: " + aAppStatus +
+            " aDescription: " + aDescription +
             " aRules.minimumAccessLevel: " + aRules.minimumAccessLevel +
             " aRules.manifestURLs: " + aRules.manifestURLs +
             " aRules.installOrigins: " + aRules.installOrigins);
     }
 
     let subAppManifestURLs = this._registeredConnections[aKeyword];
     if (!subAppManifestURLs) {
       subAppManifestURLs = this._registeredConnections[aKeyword] = {};
     }
 
     subAppManifestURLs[manifestURL] = {
       pageURL: pageURL,
       description: aDescription,
-      appStatus: aAppStatus,
       rules: aRules,
       manifestURL: manifestURL
     };
   },
 
   _matchMinimumAccessLevel: function(aRules, aAppStatus) {
     if (!aRules || !aRules.minimumAccessLevel) {
       if (DEBUG) {
@@ -295,77 +291,76 @@ InterAppCommService.prototype = {
     if (DEBUG) {
       debug("rules.manifestURLs is not matched!" +
             " manifestURLs: " + manifestURLs +
             " aManifestURL : " + aManifestURL);
     }
     return false;
   },
 
-  _matchInstallOrigins: function(aRules, aManifestURL) {
+  _matchInstallOrigins: function(aRules, aInstallOrigin) {
     if (!aRules || !Array.isArray(aRules.installOrigins)) {
       if (DEBUG) {
         debug("rules.installOrigins is not available. No need to match.");
       }
       return true;
     }
 
-    let installOrigin =
-      appsService.getAppByManifestURL(aManifestURL).installOrigin;
-
     let installOrigins = aRules.installOrigins;
-    if (installOrigins.indexOf(installOrigin) != -1) {
+    if (installOrigins.indexOf(aInstallOrigin) != -1) {
       return true;
     }
 
     if (DEBUG) {
       debug("rules.installOrigins is not matched!" +
-            " aManifestURL: " + aManifestURL +
             " installOrigins: " + installOrigins +
-            " installOrigin : " + installOrigin);
+            " installOrigin : " + aInstallOrigin);
     }
     return false;
   },
 
-  _matchRules: function(aPubAppManifestURL, aPubAppStatus, aPubRules,
-                        aSubAppManifestURL, aSubAppStatus, aSubRules) {
+  _matchRules: function(aPubAppManifestURL, aPubRules,
+                        aSubAppManifestURL, aSubRules) {
+    let pubApp = appsService.getAppByManifestURL(aPubAppManifestURL);
+    let subApp = appsService.getAppByManifestURL(aSubAppManifestURL);
+
     // TODO Bug 907068 In the initiative step, we only expose this API to
     // certified apps to meet the time line. Eventually, we need to make
     // it available for the non-certified apps as well. For now, only the
     // certified apps can match the rules.
-    if (aPubAppStatus != Ci.nsIPrincipal.APP_STATUS_CERTIFIED ||
-        aSubAppStatus != Ci.nsIPrincipal.APP_STATUS_CERTIFIED) {
+    if (pubApp.appStatus != Ci.nsIPrincipal.APP_STATUS_CERTIFIED ||
+        subApp.appStatus != Ci.nsIPrincipal.APP_STATUS_CERTIFIED) {
       if (DEBUG) {
         debug("Only certified apps are allowed to do connections.");
       }
       return false;
     }
 
     if (!aPubRules && !aSubRules) {
       if (DEBUG) {
         debug("No rules for publisher and subscriber. No need to match.");
       }
       return true;
     }
 
     // Check minimumAccessLevel.
-    if (!this._matchMinimumAccessLevel(aPubRules, aSubAppStatus) ||
-        !this._matchMinimumAccessLevel(aSubRules, aPubAppStatus)) {
+    if (!this._matchMinimumAccessLevel(aPubRules, subApp.appStatus) ||
+        !this._matchMinimumAccessLevel(aSubRules, pubApp.appStatus)) {
       return false;
     }
 
     // Check manifestURLs.
     if (!this._matchManifestURLs(aPubRules, aSubAppManifestURL) ||
         !this._matchManifestURLs(aSubRules, aPubAppManifestURL)) {
       return false;
     }
 
     // Check installOrigins.
-    if (!this._matchInstallOrigins(aPubRules, aSubAppManifestURL) ||
-        !this._matchInstallOrigins(aSubRules, aPubAppManifestURL)) {
+    if (!this._matchInstallOrigins(aPubRules, subApp.installOrigin) ||
+        !this._matchInstallOrigins(aSubRules, pubApp.installOrigin)) {
       return false;
     }
 
     // Check developers.
     // TODO Do we really want to check this? This one seems naive.
 
     if (DEBUG) debug("All rules are matched.");
     return true;
@@ -447,17 +442,16 @@ InterAppCommService.prototype = {
   },
 
   _connect: function(aMessage, aTarget) {
     let keyword = aMessage.keyword;
     let pubRules = aMessage.rules;
     let pubAppManifestURL = aMessage.manifestURL;
     let outerWindowID = aMessage.outerWindowID;
     let requestID = aMessage.requestID;
-    let pubAppStatus = aMessage.appStatus;
 
     let subAppManifestURLs = this._registeredConnections[keyword];
     if (!subAppManifestURLs) {
       if (DEBUG) {
         debug("No apps are subscribed for this connection. Returning.");
       }
       this._dispatchMessagePorts(keyword, pubAppManifestURL, [],
                                  aTarget, outerWindowID, requestID);
@@ -481,22 +475,21 @@ InterAppCommService.prototype = {
         if (DEBUG) {
           debug("Don't need to select again. Skipping: " + subAppManifestURL);
         }
         continue;
       }
 
       // Only rule-matched publishers/subscribers are allowed to connect.
       let subscribedInfo = subAppManifestURLs[subAppManifestURL];
-      let subAppStatus = subscribedInfo.appStatus;
       let subRules = subscribedInfo.rules;
 
       let matched =
-        this._matchRules(pubAppManifestURL, pubAppStatus, pubRules,
-                         subAppManifestURL, subAppStatus, subRules);
+        this._matchRules(pubAppManifestURL, pubRules,
+                         subAppManifestURL, subRules);
       if (!matched) {
         if (DEBUG) {
           debug("Rules are not matched. Skipping: " + subAppManifestURL);
         }
         continue;
       }
 
       appsToSelect.push({

new file mode 100644
--- /dev/null
+++ b/dom/apps/src/ScriptPreloader.jsm
@@ -0,0 +1,76 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const Cu = Components.utils;
+const Ci = Components.interfaces;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/Promise.jsm");
+
+this.EXPORTED_SYMBOLS = ["ScriptPreloader"];
+
+function debug(aMsg) {
+  //dump("--*-- ScriptPreloader: " + aMsg + "\n");
+}
+
+this.ScriptPreloader = {
+#ifdef MOZ_B2G
+  _enabled: true,
+#else
+  _enabled: false,
+#endif
+
+  preload: function(aApp, aManifest) {
+    debug("Preloading " + aApp.origin);
+    let deferred = Promise.defer();
+
+    if (!this._enabled) {
+      deferred.resolve();
+      return deferred.promise;
+    }
+
+    if (aManifest.precompile &&
+        Array.isArray(aManifest.precompile) &&
+        aManifest.precompile.length > 0) {
+      let origin = Services.io.newURI(aApp.origin, null, null);
+      let toLoad = aManifest.precompile.length;
+      let principal =
+        Services.scriptSecurityManager
+                .getAppCodebasePrincipal(origin, aApp.localId, false);
+
+      aManifest.precompile.forEach((aPath) => {
+        let uri = Services.io.newURI(aPath, null, origin);
+        debug("Script to compile: " + uri.spec);
+        try {
+          Services.scriptloader.precompileScript(uri, principal,
+            (aSubject, aTopic, aData) => {
+              let uri = aSubject.QueryInterface(Ci.nsIURI);
+              debug("Done compiling " + uri.spec);
+
+              toLoad--;
+              if (toLoad == 0) {
+                deferred.resolve();
+              }
+            });
+        } catch (e) {
+          // Resolve the promise if precompileScript throws.
+          deferred.resolve();
+        }
+      });
+    } else {
+      // The precompile field is not an array, let the developer know.
+      // We don't want to have to enable debug for that to show up.
+      if (aManifest.precompile) {
+        Cu.reportError("ASM.JS compilation failed: the 'precompile' manifest " +
+                       "property should be an array of script uris.\n");
+      }
+      deferred.resolve();
+    }
+
+    return deferred.promise;
+  }
+}

--- a/dom/apps/src/Webapps.js
+++ b/dom/apps/src/Webapps.js
@@ -481,17 +481,16 @@ WebappsApplication.prototype = {
 
   connect: function(aKeyword, aRules) {
     return this.createPromise(function (aResolve, aReject) {
       cpmm.sendAsyncMessage("Webapps:Connect",
                             { keyword: aKeyword,
                               rules: aRules,
                               manifestURL: this.manifestURL,
                               outerWindowID: this._id,
-                              appStatus: this._appStatus,
                               requestID: this.getPromiseResolverId({
                                 resolve: aResolve,
                                 reject: aReject
                               })});
     }.bind(this));
   },
 
   getConnections: function() {

--- a/dom/apps/src/Webapps.jsm
+++ b/dom/apps/src/Webapps.jsm
@@ -56,16 +56,19 @@ XPCOMUtils.defineLazyModuleGetter(this, 
   "resource://gre/modules/SystemMessagePermissionsChecker.jsm");
 
 XPCOMUtils.defineLazyModuleGetter(this, "WebappOSUtils",
   "resource://gre/modules/WebappOSUtils.jsm");
 
 XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
   "resource://gre/modules/NetUtil.jsm");
 
+XPCOMUtils.defineLazyModuleGetter(this, "ScriptPreloader",
+                                  "resource://gre/modules/ScriptPreloader.jsm");
+
 #ifdef MOZ_WIDGET_GONK
 XPCOMUtils.defineLazyGetter(this, "libcutils", function() {
   Cu.import("resource://gre/modules/systemlibs.js");
   return libcutils;
 });
 #endif
 
 function debug(aMsg) {
@@ -729,17 +732,16 @@ this.DOMApplicationRegistry = {
         msgmgr.registerPage("connection", handlerPageURI, manifestURI);
       }
 
       interAppCommService.
         registerConnection(keyword,
                            handlerPageURI,
                            manifestURI,
                            connection.description,
-                           AppsUtils.getAppManifestStatus(manifest),
                            connection.rules);
     }
   },
 
   _registerSystemMessages: function(aManifest, aApp) {
     this._registerSystemMessagesForEntryPoint(aManifest, aApp, null);
 
     if (!aManifest.entry_points) {
@@ -1484,17 +1486,19 @@ this.DOMApplicationRegistry = {
           for (let prop in app.staged) {
             app[prop] = app.staged[prop];
           }
           delete app.staged;
         }
 
         delete app.retryingDownload;
 
-        this._saveApps().then(() => {
+        // Update the asm.js scripts we need to compile.
+        ScriptPreloader.preload(app, aData)
+          .then(() => this._saveApps()).then(() => {
           // Update the handlers and permissions for this app.
           this.updateAppHandlers(aOldManifest, aData, app);
 
           AppsUtils.loadJSONAsync(staged.path).then((aUpdateManifest) => {
             let appObject = AppsUtils.cloneAppObject(app);
             appObject.updateManifest = aUpdateManifest;
             this.notifyUpdateHandlers(appObject, aData, appFile.path);
           });
@@ -2590,23 +2594,29 @@ onInstallSuccessAck: function onInstallS
       this.updateDataStore(this.webapps[aId].localId, aNewApp.origin,
                            aNewApp.manifestURL, aManifest, aNewApp.appStatus);
 
       this.broadcastMessage("Webapps:UpdateState", {
         app: app,
         manifest: aManifest,
         manifestURL: aNewApp.manifestURL
       });
-      this.broadcastMessage("Webapps:FireEvent", {
-        eventType: ["downloadsuccess", "downloadapplied"],
-        manifestURL: aNewApp.manifestURL
-      });
-      if (aInstallSuccessCallback) {
-        aInstallSuccessCallback(aManifest, zipFile.path);
-      }
+
+      // Check if we have asm.js code to preload for this application.
+      ScriptPreloader.preload(aNewApp, aManifest)
+                     .then(() => {
+          this.broadcastMessage("Webapps:FireEvent", {
+            eventType: ["downloadsuccess", "downloadapplied"],
+            manifestURL: aNewApp.manifestURL
+          });
+          if (aInstallSuccessCallback) {
+            aInstallSuccessCallback(aManifest, zipFile.path);
+          }
+        }
+      );
     });
   },
 
   _nextLocalId: function() {
     let id = Services.prefs.getIntPref("dom.mozApps.maxLocalId") + 1;
 
     while (this.getManifestURLByLocalId(id)) {
       id++;

--- a/dom/apps/src/moz.build
+++ b/dom/apps/src/moz.build
@@ -31,16 +31,17 @@ EXTRA_JS_MODULES += [
     'PermissionsInstaller.jsm',
     'PermissionsTable.jsm',
     'StoreTrustAnchor.jsm',
 ]
 
 EXTRA_PP_JS_MODULES += [
     'AppsUtils.jsm',
     'OperatorApps.jsm',
+    'ScriptPreloader.jsm',
     'Webapps.jsm',
 ]
 
 FAIL_ON_WARNINGS = True
 
 FINAL_LIBRARY = 'gklayout'
 
 LOCAL_INCLUDES += [

--- a/dom/interfaces/apps/nsIInterAppCommService.idl
+++ b/dom/interfaces/apps/nsIInterAppCommService.idl
@@ -11,30 +11,27 @@ interface nsIURI;
  *
  * This interface contains helpers for Inter-App Communication API [1] related
  * purposes. A singleton service of this interface will be instantiated during
  * the system boot-up, which plays the role of the central service receiving
  * messages from and interacting with the content processes.
  *
  * [1] https://wiki.mozilla.org/WebAPI/Inter_App_Communication_Alt_proposal
  */
-[scriptable, uuid(7fdd8b68-0b0a-11e3-9b4c-afbc236da250)]
+[scriptable, uuid(b3d711a4-c6a4-11e3-8fd3-738e7fbcb6d6)]
 interface nsIInterAppCommService : nsISupports
 {
   /*
    * Registration of a page that wants to be connected to other apps through
    * the Inter-App Communication API.
    *
    * @param keyword        The connection's keyword.
    * @param handlerPageURI The URI of the handler's page.
    * @param manifestURI    The webapp's manifest URI.
    * @param description    The connection's description.
-   * @param appStatus      The app status can be Ci.nsIPrincipal.APP_STATUS_[
-   *                       NOT_INSTALLED, INSTALLED, PRIVILEGED, CERTIFIED].
    * @param rules          The connection's rules.
    */
   void registerConnection(in DOMString      keyword,
                           in nsIURI         handlerPageURI,
                           in nsIURI         manifestURI,
                           in DOMString      description,
-                          in unsigned short appStatus,
                           in jsval          rules);
 };

--- a/dom/system/gonk/Nfc.js
+++ b/dom/system/gonk/Nfc.js
@@ -411,17 +411,16 @@ XPCOMUtils.defineLazyGetter(this, "gMess
 
 function Nfc() {
   debug("Starting Worker");
   this.worker = new ChromeWorker("resource://gre/modules/nfc_worker.js");
   this.worker.onerror = this.onerror.bind(this);
   this.worker.onmessage = this.onmessage.bind(this);
 
   Services.obs.addObserver(this, NFC.TOPIC_MOZSETTINGS_CHANGED, false);
-  Services.obs.addObserver(this, NFC.TOPIC_HARDWARE_STATE, false);
 
   gMessageManager.init(this);
   let lock = gSettingsService.createLock();
   lock.get(NFC.SETTING_NFC_ENABLED, this);
   // Maps sessionId (that are generated from nfcd) with a unique guid : 'SessionToken'
   this.sessionTokenMap = {};
   this.targetsByRequestId = {};
 
@@ -652,36 +651,19 @@ Nfc.prototype = {
     switch (topic) {
       case NFC.TOPIC_MOZSETTINGS_CHANGED:
         let setting = JSON.parse(data);
         if (setting) {
           let setting = JSON.parse(data);
           this.handle(setting.key, setting.value);
         }
         break;
-      case NFC.TOPIC_HARDWARE_STATE:
-        let state = JSON.parse(data);
-        if (state) {
-          let level = this.hardwareStateToPowerlevel(state.nfcHardwareState);
-          this.setConfig({ powerLevel: level });
-        }
-        break;
     }
   },
 
   setConfig: function setConfig(prop) {
     this.sendToWorker("config", prop);
-  },
-
-  hardwareStateToPowerlevel: function hardwareStateToPowerlevel(state) {
-    switch (state) {
-      case 0:   return NFC.NFC_POWER_LEVEL_DISABLED;
-      case 1:   return NFC.NFC_POWER_LEVEL_ENABLED;
-      case 2:   return NFC.NFC_POWER_LEVEL_ENABLED;
-      case 3:   return NFC.NFC_POWER_LEVEL_LOW;
-      default:  return NFC.NFC_POWER_LEVEL_UNKNOWN;
-    }
   }
 };
 
 if (NFC_ENABLED) {
   this.NSGetFactory = XPCOMUtils.generateNSGetFactory([Nfc]);
 }

--- a/dom/system/gonk/nfc_consts.js
+++ b/dom/system/gonk/nfc_consts.js
@@ -40,34 +40,38 @@ this.NFC_RESPONSE_CONFIG = 1001;
 this.NFC_RESPONSE_READ_NDEF_DETAILS = 1002;
 this.NFC_RESPONSE_READ_NDEF = 1003;
 
 this.NFC_NOTIFICATION_INITIALIZED = 2000;
 this.NFC_NOTIFICATION_TECH_DISCOVERED = 2001;
 this.NFC_NOTIFICATION_TECH_LOST = 2002;
 
 this.NFC_TECHS = {
-  0:'NDEF',
-  1:'NDEF_WRITEABLE',
-  2:'NDEF_FORMATABLE',
-  3:'P2P'
+  0:"NDEF",
+  1:"NDEF_WRITEABLE",
+  2:"NDEF_FORMATABLE",
+  3:"P2P",
+  4:"NFC_A",
+  5:"NFC_B",
+  6:"NFC_F",
+  7:"NFC_V",
+  8:"NFC_ISO_DEP"
 };
 
 // TODO: Bug 933595. Fill-in all error codes for Gonk/nfcd protocol
 this.GECKO_NFC_ERROR_SUCCESS             = 0;
 this.GECKO_NFC_ERROR_GENERIC_FAILURE     = 1;
 
 // NFC powerlevels must match config PDUs.
 this.NFC_POWER_LEVEL_UNKNOWN        = -1;
 this.NFC_POWER_LEVEL_DISABLED       = 0;
 this.NFC_POWER_LEVEL_LOW            = 1;
 this.NFC_POWER_LEVEL_ENABLED        = 2;
 
 this.TOPIC_MOZSETTINGS_CHANGED      = "mozsettings-changed";
 this.TOPIC_XPCOM_SHUTDOWN           = "xpcom-shutdown";
-this.TOPIC_HARDWARE_STATE           = "nfc-hardware-state-change";
 this.SETTING_NFC_ENABLED            = "nfc.enabled";
 
 this.NFC_PEER_EVENT_READY = 0x01;
 this.NFC_PEER_EVENT_LOST  = 0x02;
 
 // Allow this file to be imported via Components.utils.import().
 this.EXPORTED_SYMBOLS = Object.keys(this);

--- a/js/src/jsapi.cpp
+++ b/js/src/jsapi.cpp
@@ -4341,16 +4341,18 @@ JS::ReadOnlyCompileOptions::copyPODOptio
     forEval = rhs.forEval;
     noScriptRval = rhs.noScriptRval;
     selfHostingMode = rhs.selfHostingMode;
     canLazilyParse = rhs.canLazilyParse;
     strictOption = rhs.strictOption;
     extraWarningsOption = rhs.extraWarningsOption;
     werrorOption = rhs.werrorOption;
     asmJSOption = rhs.asmJSOption;
+    forceAsync = rhs.forceAsync;
+    installedFile = rhs.installedFile;
     sourcePolicy = rhs.sourcePolicy;
     introductionType = rhs.introductionType;
     introductionLineno = rhs.introductionLineno;
     introductionOffset = rhs.introductionOffset;
     hasIntroductionInfo = rhs.hasIntroductionInfo;
 }
 
 JSPrincipals *

--- a/js/xpconnect/idl/mozIJSSubScriptLoader.idl
+++ b/js/xpconnect/idl/mozIJSSubScriptLoader.idl
@@ -1,17 +1,21 @@
 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
  *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include "nsISupports.idl"
 
-[scriptable, uuid(b21f1579-d994-4e99-a85d-a685140f3ec1)]
+interface nsIURI;
+interface nsIPrincipal;
+interface nsIObserver;
+
+[scriptable, uuid(19533e7b-f321-4ef1-bc59-6e812dc2a733)]
 interface mozIJSSubScriptLoader : nsISupports
 {
     /**
      * This method should only be called from JS!
      * In JS, the signature looks like:
      * rv loadSubScript (url [, obj] [, charset]);
      * @param url the url of the sub-script, it MUST be either a file:,
      *            resource:, or chrome: url, and MUST be local.
@@ -34,9 +38,27 @@ interface mozIJSSubScriptLoader : nsISup
      * @param optionsObject an object with parameters. Valid parameters are:
      *                      - charset: specifying the character encoding of the file (default: ASCII)
      *                      - target:  an object to evaluate onto (default: global object of the caller)
      *                      - ignoreCache: if set to true, will bypass the cache for reading the file.
      * @retval rv the value returned by the sub-script
      */
     [implicit_jscontext]
     jsval loadSubScriptWithOptions(in AString url, in jsval options);
+
+    /*
+     * Compiles a JS script off the main thread and calls back the
+     * observer once it's done.
+     * The script will be cached in temporary or persistent storage depending
+     * on the principal used.
+     * We fire the notification callback in all cases - there is no fatal
+     * error there.
+     * @param uri       the uri of the script to load.
+     * @param principal the principal from which we get the app id if any.
+     * @param observer  this observer will be called once the script has
+     *                  been precompiled. The notification topic will be
+     *                  'script-precompiled' and the subject the uri of the
+     *                  script as a nsIURI.
+     */
+    void precompileScript(in nsIURI uri,
+                          in nsIPrincipal principal,
+                          in nsIObserver observer);
 };

--- a/js/xpconnect/loader/mozJSSubScriptLoader.cpp
+++ b/js/xpconnect/loader/mozJSSubScriptLoader.cpp
@@ -13,30 +13,34 @@
 #include "nsIIOService.h"
 #include "nsIChannel.h"
 #include "nsIInputStream.h"
 #include "nsNetCID.h"
 #include "nsNetUtil.h"
 #include "nsIFileURL.h"
 #include "nsScriptLoader.h"
 #include "nsIScriptSecurityManager.h"
+#include "nsThreadUtils.h"
 
 #include "jsapi.h"
 #include "jsfriendapi.h"
 #include "js/OldDebugAPI.h"
 #include "nsJSPrincipals.h"
 #include "xpcpublic.h" // For xpc::SystemErrorReporter
 #include "xpcprivate.h" // For xpc::OptionsBase
+#include "jswrapper.h"
 
 #include "mozilla/scache/StartupCache.h"
 #include "mozilla/scache/StartupCacheUtils.h"
+#include "mozilla/unused.h"
 
 using namespace mozilla::scache;
 using namespace JS;
 using namespace xpc;
+using namespace mozilla;
 
 class MOZ_STACK_CLASS LoadSubScriptOptions : public OptionsBase {
 public:
     LoadSubScriptOptions(JSContext *cx = xpc_GetSafeJSContext(),
                          JSObject *options = nullptr)
         : OptionsBase(cx, options)
         , target(cx)
         , charset(NullString())
@@ -360,8 +364,216 @@ mozJSSubScriptLoader::DoLoadSubScriptWit
     }
 
     if (cache && ok && writeScript) {
         WriteCachedScript(cache, cachePath, cx, mSystemPrincipal, script);
     }
 
     return NS_OK;
 }
+
+/**
+  * Let us compile scripts from a URI off the main thread.
+  */
+
+class ScriptPrecompiler : public nsIStreamLoaderObserver
+{
+public:
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSISTREAMLOADEROBSERVER
+
+    ScriptPrecompiler(nsIObserver* aObserver,
+                      nsIPrincipal* aPrincipal,
+                      nsIChannel* aChannel)
+        : mObserver(aObserver)
+        , mPrincipal(aPrincipal)
+        , mChannel(aChannel)
+    {}
+
+    virtual ~ScriptPrecompiler()
+    {}
+
+    static void OffThreadCallback(void *aToken, void *aData);
+
+    /* Sends the "done" notification back. Main thread only. */
+    void SendObserverNotification();
+
+private:
+    nsRefPtr<nsIObserver> mObserver;
+    nsRefPtr<nsIPrincipal> mPrincipal;
+    nsRefPtr<nsIChannel> mChannel;
+    nsString mScript;
+};
+
+NS_IMPL_ISUPPORTS1(ScriptPrecompiler, nsIStreamLoaderObserver);
+
+class NotifyPrecompilationCompleteRunnable : public nsRunnable
+{
+public:
+    NS_DECL_NSIRUNNABLE
+
+    NotifyPrecompilationCompleteRunnable(ScriptPrecompiler* aPrecompiler)
+        : mPrecompiler(aPrecompiler)
+        , mToken(nullptr)
+    {}
+
+    void SetToken(void* aToken) {
+        MOZ_ASSERT(aToken && !mToken);
+        mToken = aToken;
+    }
+
+protected:
+    nsRefPtr<ScriptPrecompiler> mPrecompiler;
+    void* mToken;
+};
+
+/* RAII helper class to send observer notifications */
+class AutoSendObserverNotification {
+public:
+    AutoSendObserverNotification(ScriptPrecompiler* aPrecompiler)
+        : mPrecompiler(aPrecompiler)
+    {}
+
+    ~AutoSendObserverNotification() {
+        if (mPrecompiler) {
+            mPrecompiler->SendObserverNotification();
+        }
+    }
+
+    void Disarm() {
+        mPrecompiler = nullptr;
+    }
+
+private:
+    ScriptPrecompiler* mPrecompiler;
+};
+
+NS_IMETHODIMP
+NotifyPrecompilationCompleteRunnable::Run(void)
+{
+    MOZ_ASSERT(NS_IsMainThread());
+    MOZ_ASSERT(mPrecompiler);
+
+    AutoSendObserverNotification notifier(mPrecompiler);
+
+    if (mToken) {
+        JSRuntime *rt = XPCJSRuntime::Get()->Runtime();
+        NS_ENSURE_TRUE(rt, NS_ERROR_FAILURE);
+        JS::FinishOffThreadScript(nullptr, rt, mToken);
+    }
+
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+ScriptPrecompiler::OnStreamComplete(nsIStreamLoader* aLoader,
+                                    nsISupports* aContext,
+                                    nsresult aStatus,
+                                    uint32_t aLength,
+                                    const uint8_t* aString)
+{
+    AutoSendObserverNotification notifier(this);
+
+    // Just notify that we are done with this load.
+    NS_ENSURE_SUCCESS(aStatus, NS_OK);
+
+    // Convert data to jschar* and prepare to call CompileOffThread.
+    nsAutoString hintCharset;
+    nsresult rv =
+        nsScriptLoader::ConvertToUTF16(mChannel, aString, aLength,
+                                       hintCharset, nullptr, mScript);
+
+    NS_ENSURE_SUCCESS(rv, NS_OK);
+
+    // Our goal is to cache persistently the compiled script and to avoid quota
+    // checks. Since the caching mechanism decide the persistence type based on
+    // the principal, we create a new global with the app's principal.
+    // We then enter its compartment to compile with its principal.
+    AutoSafeJSContext cx;
+    RootedValue v(cx);
+    SandboxOptions sandboxOptions;
+    sandboxOptions.sandboxName.AssignASCII("asm.js precompilation");
+    sandboxOptions.invisibleToDebugger = true;
+    rv = CreateSandboxObject(cx, &v, mPrincipal, sandboxOptions);
+    NS_ENSURE_SUCCESS(rv, NS_OK);
+
+    JSAutoCompartment ac(cx, js::UncheckedUnwrap(&v.toObject()));
+
+    JS::CompileOptions options(cx, JSVERSION_DEFAULT);
+    options.setSourcePolicy(CompileOptions::NO_SOURCE);
+    options.forceAsync = true;
+    options.compileAndGo = true;
+    options.installedFile = true;
+
+    nsCOMPtr<nsIURI> uri;
+    mChannel->GetURI(getter_AddRefs(uri));
+    nsAutoCString spec;
+    uri->GetSpec(spec);
+    options.setFile(spec.get());
+
+    if (!JS::CanCompileOffThread(cx, options, mScript.Length())) {
+        NS_WARNING("Can't compile script off thread!");
+        return NS_OK;
+    }
+
+    nsRefPtr<NotifyPrecompilationCompleteRunnable> runnable =
+        new NotifyPrecompilationCompleteRunnable(this);
+
+    if (!JS::CompileOffThread(cx, options,
+                              mScript.get(), mScript.Length(),
+                              OffThreadCallback,
+                              static_cast<void*>(runnable))) {
+        NS_WARNING("Failed to compile script off thread!");
+        return NS_OK;
+    }
+
+    unused << runnable.forget();
+    notifier.Disarm();
+
+    return NS_OK;
+}
+
+/* static */
+void
+ScriptPrecompiler::OffThreadCallback(void* aToken, void* aData)
+{
+    nsRefPtr<NotifyPrecompilationCompleteRunnable> runnable =
+        dont_AddRef(static_cast<NotifyPrecompilationCompleteRunnable*>(aData));
+    runnable->SetToken(aToken);
+
+    NS_DispatchToMainThread(runnable);
+}
+
+void
+ScriptPrecompiler::SendObserverNotification()
+{
+    MOZ_ASSERT(mChannel && mObserver);
+    MOZ_ASSERT(NS_IsMainThread());
+
+    nsCOMPtr<nsIURI> uri;
+    mChannel->GetURI(getter_AddRefs(uri));
+    mObserver->Observe(uri, "script-precompiled", nullptr);
+}
+
+NS_IMETHODIMP
+mozJSSubScriptLoader::PrecompileScript(nsIURI* aURI,
+                                       nsIPrincipal* aPrincipal,
+                                       nsIObserver *aObserver)
+{
+    nsCOMPtr<nsIChannel> channel;
+    nsresult rv = NS_NewChannel(getter_AddRefs(channel),
+                                aURI, nullptr, nullptr, nullptr,
+                                nsIRequest::LOAD_NORMAL, nullptr);
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    nsRefPtr<ScriptPrecompiler> loadObserver =
+        new ScriptPrecompiler(aObserver, aPrincipal, channel);
+
+    nsCOMPtr<nsIStreamLoader> loader;
+    rv = NS_NewStreamLoader(getter_AddRefs(loader), loadObserver);
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    nsCOMPtr<nsIStreamListener> listener = loader.get();
+    rv = channel->AsyncOpen(listener, nullptr);
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    return NS_OK;
+}

--- a/mobile/android/base/fxa/FirefoxAccounts.java
+++ b/mobile/android/base/fxa/FirefoxAccounts.java
@@ -7,16 +7,17 @@ package org.mozilla.gecko.fxa;
 import java.io.File;
 import java.util.EnumSet;
 import java.util.concurrent.CountDownLatch;
 
 import org.mozilla.gecko.background.common.log.Logger;
 import org.mozilla.gecko.fxa.authenticator.AccountPickler;
 import org.mozilla.gecko.fxa.authenticator.AndroidFxAccount;
 import org.mozilla.gecko.fxa.sync.FxAccountSyncAdapter;
+import org.mozilla.gecko.fxa.sync.FxAccountSyncStatusHelper;
 import org.mozilla.gecko.sync.ThreadPool;
 import org.mozilla.gecko.sync.Utils;
 
 import android.accounts.Account;
 import android.accounts.AccountManager;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.os.Bundle;
@@ -56,16 +57,23 @@ public class FirefoxAccounts {
   public static final EnumSet<SyncHint> NOW = EnumSet.of(
       SyncHint.SCHEDULE_NOW);
 
   public static final EnumSet<SyncHint> FORCE = EnumSet.of(
       SyncHint.SCHEDULE_NOW,
       SyncHint.IGNORE_LOCAL_RATE_LIMIT,
       SyncHint.IGNORE_REMOTE_SERVER_BACKOFF);
 
+  public interface SyncStatusListener {
+    public Context getContext();
+    public Account getAccount();
+    public void onSyncStarted();
+    public void onSyncFinished();
+  }
+
   /**
    * Returns true if a FirefoxAccount exists, false otherwise.
    *
    * @param context Android context.
    * @return true if at least one Firefox account exists.
    */
   public static boolean firefoxAccountsExist(final Context context) {
     return getFirefoxAccounts(context).length > 0;
@@ -195,34 +203,65 @@ public class FirefoxAccounts {
   }
 
   /**
    * Request a sync for the given Android Account.
    * <p>
    * Any hints are strictly optional: the actual requested sync is scheduled by
    * the Android sync scheduler, and the sync mechanism may ignore hints as it
    * sees fit.
+   * <p>
+   * It is safe to call this method from any thread.
    *
    * @param account to sync.
    * @param syncHints to pass to sync.
    * @param stagesToSync stage names to sync.
    * @param stagesToSkip stage names to skip.
    */
-  public static void requestSync(Account account, EnumSet<SyncHint> syncHints, String[] stagesToSync, String[] stagesToSkip) {
+  public static void requestSync(final Account account, EnumSet<SyncHint> syncHints, String[] stagesToSync, String[] stagesToSkip) {
     if (account == null) {
       throw new IllegalArgumentException("account must not be null");
     }
     if (syncHints == null) {
       throw new IllegalArgumentException("syncHints must not be null");
     }
 
     final Bundle extras = new Bundle();
     putHintsToSync(extras, syncHints);
     Utils.putStageNamesToSync(extras, stagesToSync, stagesToSkip);
 
     Logger.info(LOG_TAG, "Requesting sync.");
     logSyncHints(syncHints);
 
-    for (String authority : AndroidFxAccount.getAndroidAuthorities()) {
-      ContentResolver.requestSync(account, authority, extras);
-    }
+    // We get strict mode warnings on some devices, so make the request on a
+    // background thread.
+    ThreadPool.run(new Runnable() {
+      @Override
+      public void run() {
+        for (String authority : AndroidFxAccount.getAndroidAuthorities()) {
+          ContentResolver.requestSync(account, authority, extras);
+        }
+      }
+    });
+  }
+
+  /**
+   * Start notifying <code>syncStatusListener</code> of sync status changes.
+   * <p>
+   * Only a weak reference to <code>syncStatusListener</code> is held.
+   *
+   * @param syncStatusListener to start notifying.
+   */
+  public static void addSyncStatusListener(SyncStatusListener syncStatusListener) {
+    // startObserving null-checks its argument.
+    FxAccountSyncStatusHelper.getInstance().startObserving(syncStatusListener);
+  }
+
+  /**
+   * Stop notifying <code>syncStatusListener</code> of sync status changes.
+   *
+   * @param syncStatusListener to stop notifying.
+   */
+  public static void removeSyncStatusListener(SyncStatusListener syncStatusListener) {
+    // stopObserving null-checks its argument.
+    FxAccountSyncStatusHelper.getInstance().stopObserving(syncStatusListener);
   }
 }

--- a/mobile/android/base/fxa/activities/FxAccountConfirmAccountActivity.java
+++ b/mobile/android/base/fxa/activities/FxAccountConfirmAccountActivity.java
@@ -16,16 +16,17 @@ import org.mozilla.gecko.background.fxa.
 import org.mozilla.gecko.fxa.FirefoxAccounts;
 import org.mozilla.gecko.fxa.authenticator.AndroidFxAccount;
 import org.mozilla.gecko.fxa.login.Engaged;
 import org.mozilla.gecko.fxa.login.State;
 import org.mozilla.gecko.fxa.login.State.Action;
 import org.mozilla.gecko.fxa.sync.FxAccountSyncStatusHelper;
 import org.mozilla.gecko.sync.setup.activities.ActivityUtils;
 
+import android.accounts.Account;
 import android.app.Activity;
 import android.content.Context;
 import android.os.Bundle;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.TextView;
 import android.widget.Toast;
 
@@ -38,17 +39,17 @@ public class FxAccountConfirmAccountActi
 
   // Set in onCreate.
   protected TextView verificationLinkTextView;
   protected View resendLink;
 
   // Set in onResume.
   protected AndroidFxAccount fxAccount;
 
-  protected final SyncStatusDelegate syncStatusDelegate = new SyncStatusDelegate();
+  protected final InnerSyncStatusDelegate syncStatusDelegate = new InnerSyncStatusDelegate();
 
   public FxAccountConfirmAccountActivity() {
     super(CANNOT_RESUME_WHEN_NO_ACCOUNTS_EXIST);
   }
 
   /**
    * {@inheritDoc}
    */
@@ -97,36 +98,41 @@ public class FxAccountConfirmAccountActi
     super.onPause();
     FxAccountSyncStatusHelper.getInstance().stopObserving(syncStatusDelegate);
 
     if (fxAccount != null) {
       fxAccount.requestSync(FirefoxAccounts.SOON);
     }
   }
 
-  protected class SyncStatusDelegate implements FxAccountSyncStatusHelper.Delegate {
+  protected class InnerSyncStatusDelegate implements FirefoxAccounts.SyncStatusListener {
     protected final Runnable refreshRunnable = new Runnable() {
       @Override
       public void run() {
         refresh();
       }
     };
 
     @Override
-    public AndroidFxAccount getAccount() {
-      return fxAccount;
+    public Context getContext() {
+      return FxAccountConfirmAccountActivity.this;
     }
 
     @Override
-    public void handleSyncStarted() {
+    public Account getAccount() {
+      return fxAccount.getAndroidAccount();
+    }
+
+    @Override
+    public void onSyncStarted() {
       Logger.info(LOG_TAG, "Got sync started message; ignoring.");
     }
 
     @Override
-    public void handleSyncFinished() {
+    public void onSyncFinished() {
       if (fxAccount == null) {
         return;
       }
       Logger.info(LOG_TAG, "Got sync finished message; refreshing.");
       runOnUiThread(refreshRunnable);
     }
   }
 

--- a/mobile/android/base/fxa/activities/FxAccountStatusFragment.java
+++ b/mobile/android/base/fxa/activities/FxAccountStatusFragment.java
@@ -14,17 +14,19 @@ import org.mozilla.gecko.background.pref
 import org.mozilla.gecko.fxa.FirefoxAccounts;
 import org.mozilla.gecko.fxa.FxAccountConstants;
 import org.mozilla.gecko.fxa.authenticator.AndroidFxAccount;
 import org.mozilla.gecko.fxa.login.Married;
 import org.mozilla.gecko.fxa.login.State;
 import org.mozilla.gecko.fxa.sync.FxAccountSyncStatusHelper;
 import org.mozilla.gecko.sync.SyncConfiguration;
 
+import android.accounts.Account;
 import android.content.ContentResolver;
+import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.os.Handler;
 import android.preference.CheckBoxPreference;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceClickListener;
 import android.preference.PreferenceCategory;
@@ -67,17 +69,17 @@ public class FxAccountStatusFragment ext
   // Used to post delayed sync requests.
   protected Handler handler;
 
   // Member variable so that re-posting pushes back the already posted instance.
   // This Runnable references the fxAccount above, but it is not specific to a
   // single account. (That is, it does not capture a single account instance.)
   protected Runnable requestSyncRunnable;
 
-  protected final SyncStatusDelegate syncStatusDelegate = new SyncStatusDelegate();
+  protected final InnerSyncStatusDelegate syncStatusDelegate = new InnerSyncStatusDelegate();
 
   protected Preference ensureFindPreference(String key) {
     Preference preference = findPreference(key);
     if (preference == null) {
       throw new IllegalStateException("Could not find preference with key: " + key);
     }
     return preference;
   }
@@ -235,40 +237,45 @@ public class FxAccountStatusFragment ext
   }
 
   protected void showConnected() {
     syncCategory.setTitle(R.string.fxaccount_status_sync_enabled);
     showOnlyOneErrorPreference(null);
     setCheckboxesEnabled(true);
   }
 
-  protected class SyncStatusDelegate implements FxAccountSyncStatusHelper.Delegate {
+  protected class InnerSyncStatusDelegate implements FirefoxAccounts.SyncStatusListener {
     protected final Runnable refreshRunnable = new Runnable() {
       @Override
       public void run() {
         refresh();
       }
     };
 
     @Override
-    public AndroidFxAccount getAccount() {
-      return fxAccount;
+    public Context getContext() {
+      return FxAccountStatusFragment.this.getActivity();
     }
 
     @Override
-    public void handleSyncStarted() {
+    public Account getAccount() {
+      return fxAccount.getAndroidAccount();
+    }
+
+    @Override
+    public void onSyncStarted() {
       if (fxAccount == null) {
         return;
       }
       Logger.info(LOG_TAG, "Got sync started message; refreshing.");
       getActivity().runOnUiThread(refreshRunnable);
     }
 
     @Override
-    public void handleSyncFinished() {
+    public void onSyncFinished() {
       if (fxAccount == null) {
         return;
       }
       Logger.info(LOG_TAG, "Got sync finished message; refreshing.");
       getActivity().runOnUiThread(refreshRunnable);
     }
   }
 

--- a/mobile/android/base/fxa/sync/FxAccountSyncStatusHelper.java
+++ b/mobile/android/base/fxa/sync/FxAccountSyncStatusHelper.java
@@ -3,77 +3,65 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 package org.mozilla.gecko.fxa.sync;
 
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.WeakHashMap;
 
+import org.mozilla.gecko.fxa.FirefoxAccounts;
 import org.mozilla.gecko.fxa.authenticator.AndroidFxAccount;
 
 import android.content.ContentResolver;
 import android.content.SyncStatusObserver;
 
 /**
  * Abstract away some details of Android's SyncStatusObserver.
  * <p>
  * Provides a simplified sync started/sync finished delegate.
- * <p>
- * We would prefer to register multiple observers, but it's of limited value
- * right now, so we support only a single observer, and we are as tolerant as
- * possible of non-paired add/remove calls.
  */
 public class FxAccountSyncStatusHelper implements SyncStatusObserver {
   @SuppressWarnings("unused")
   private static final String LOG_TAG = FxAccountSyncStatusHelper.class.getSimpleName();
 
   protected static FxAccountSyncStatusHelper sInstance = null;
 
   public synchronized static FxAccountSyncStatusHelper getInstance() {
     if (sInstance == null) {
       sInstance = new FxAccountSyncStatusHelper();
     }
     return sInstance;
   }
 
-  public interface Delegate {
-    public AndroidFxAccount getAccount();
-    public void handleSyncStarted();
-    public void handleSyncFinished();
-  }
-
   // Used to unregister this as a listener.
   protected Object handle = null;
 
   // Maps delegates to whether their underlying Android account was syncing the
   // last time we observed a status change.
-  protected Map<Delegate, Boolean> delegates = new WeakHashMap<Delegate, Boolean>();
+  protected Map<FirefoxAccounts.SyncStatusListener, Boolean> delegates = new WeakHashMap<FirefoxAccounts.SyncStatusListener, Boolean>();
 
   @Override
   public synchronized void onStatusChanged(int which) {
-    for (Entry<Delegate, Boolean> entry : delegates.entrySet()) {
-      final Delegate delegate = entry.getKey();
-      final AndroidFxAccount fxAccount = delegate.getAccount();
-      if (fxAccount == null) {
-        continue;
-      }
+    for (Entry<FirefoxAccounts.SyncStatusListener, Boolean> entry : delegates.entrySet()) {
+      final FirefoxAccounts.SyncStatusListener delegate = entry.getKey();
+      final AndroidFxAccount fxAccount = new AndroidFxAccount(delegate.getContext(), delegate.getAccount());
       final boolean active = fxAccount.isCurrentlySyncing();
       // Remember for later.
       boolean wasActiveLastTime = entry.getValue();
       // It's okay to update the value of an entry while iterating the entrySet.
       entry.setValue(active);
 
       if (active && !wasActiveLastTime) {
         // We've started a sync.
-        delegate.handleSyncStarted();
+        delegate.onSyncStarted();
       }
       if (!active && wasActiveLastTime) {
         // We've finished a sync.
-        delegate.handleSyncFinished();
+        delegate.onSyncFinished();
       }
     }
   }
 
   protected void addListener() {
     final int mask = ContentResolver.SYNC_OBSERVER_TYPE_ACTIVE;
     if (this.handle != null) {
       throw new IllegalStateException("Already registered this as an observer?");
@@ -84,30 +72,30 @@ public class FxAccountSyncStatusHelper i
   protected void removeListener() {
     Object handle = this.handle;
     this.handle = null;
     if (handle != null) {
       ContentResolver.removeStatusChangeListener(handle);
     }
   }
 
-  public synchronized void startObserving(Delegate delegate) {
+  public synchronized void startObserving(FirefoxAccounts.SyncStatusListener delegate) {
     if (delegate == null) {
       throw new IllegalArgumentException("delegate must not be null");
     }
     if (delegates.containsKey(delegate)) {
       return;
     }
     // If we are the first delegate to the party, start listening.
     if (delegates.isEmpty()) {
       addListener();
     }
     delegates.put(delegate, Boolean.FALSE);
   }
 
-  public synchronized void stopObserving(Delegate delegate) {
+  public synchronized void stopObserving(FirefoxAccounts.SyncStatusListener delegate) {
     delegates.remove(delegate);
     // If we are the last delegate leaving the party, stop listening.
     if (delegates.isEmpty()) {
       removeListener();
     }
   }
 }

--- a/toolkit/components/autocomplete/nsAutoCompleteController.cpp
+++ b/toolkit/components/autocomplete/nsAutoCompleteController.cpp
@@ -405,17 +405,17 @@ nsAutoCompleteController::HandleKeyNavig
 
       if (completeSelection)
       {
         int32_t selectedIndex;
         popup->GetSelectedIndex(&selectedIndex);
         if (selectedIndex >= 0) {
           //  A result is selected, so fill in its value
           nsAutoString value;
-          if (NS_SUCCEEDED(GetResultValueAt(selectedIndex, true, value))) {
+          if (NS_SUCCEEDED(GetResultValueAt(selectedIndex, false, value))) {
             input->SetTextValue(value);
             input->SelectTextRange(value.Length(), value.Length());
           }
         } else {
           // Nothing is selected, so fill in the last typed value
           input->SetTextValue(mSearchString);
           input->SelectTextRange(mSearchString.Length(), mSearchString.Length());
         }
@@ -476,17 +476,17 @@ nsAutoCompleteController::HandleKeyNavig
     if (isOpen) {
       int32_t selectedIndex;
       popup->GetSelectedIndex(&selectedIndex);
       bool shouldComplete;
       input->GetCompleteDefaultIndex(&shouldComplete);
       if (selectedIndex >= 0) {
         // The pop-up is open and has a selection, take its value
         nsAutoString value;
-        if (NS_SUCCEEDED(GetResultValueAt(selectedIndex, true, value))) {
+        if (NS_SUCCEEDED(GetResultValueAt(selectedIndex, false, value))) {
           input->SetTextValue(value);
           input->SelectTextRange(value.Length(), value.Length());
         }
       }
       else if (shouldComplete) {
         // We usually try to preserve the casing of what user has typed, but
         // if he wants to autocomplete, we will replace the value with the
         // actual autocomplete result.
@@ -574,17 +574,17 @@ nsAutoCompleteController::HandleDelete(b
     // There are still rows in the popup, select the current index again.
     popup->SetSelectedIndex(index);
 
     // Complete to the new current value.
     bool shouldComplete = false;
     input->GetCompleteDefaultIndex(&shouldComplete);
     if (shouldComplete) {
       nsAutoString value;
-      if (NS_SUCCEEDED(GetResultValueAt(index, true, value))) {
+      if (NS_SUCCEEDED(GetResultValueAt(index, false, value))) {
         CompleteValue(value);
       }
     }
 
     // Invalidate the popup.
     popup->Invalidate();
   } else {
     // Nothing left in the popup, clear any pending search timers and
@@ -611,25 +611,25 @@ nsAutoCompleteController::GetResultAt(in
   *aResult = mResults[searchIndex];
   NS_ENSURE_TRUE(*aResult, NS_ERROR_FAILURE);
   return NS_OK;
 }
 
 NS_IMETHODIMP
 nsAutoCompleteController::GetValueAt(int32_t aIndex, nsAString & _retval)
 {
-  GetResultLabelAt(aIndex, false, _retval);
+  GetResultLabelAt(aIndex, _retval);
 
   return NS_OK;
 }
 
 NS_IMETHODIMP
 nsAutoCompleteController::GetLabelAt(int32_t aIndex, nsAString & _retval)
 {
-  GetResultLabelAt(aIndex, false, _retval);
+  GetResultLabelAt(aIndex, _retval);
 
   return NS_OK;
 }
 
 NS_IMETHODIMP
 nsAutoCompleteController::GetCommentAt(int32_t aIndex, nsAString & _retval)
 {
   int32_t rowIndex;
@@ -658,16 +658,28 @@ nsAutoCompleteController::GetImageAt(int
   nsIAutoCompleteResult* result;
   nsresult rv = GetResultAt(aIndex, &result, &rowIndex);
   NS_ENSURE_SUCCESS(rv, rv);
 
   return result->GetImageAt(rowIndex, _retval);
 }
 
 NS_IMETHODIMP
+nsAutoCompleteController::GetFinalCompleteValueAt(int32_t aIndex,
+                                                  nsAString & _retval)
+{
+  int32_t rowIndex;
+  nsIAutoCompleteResult* result;
+  nsresult rv = GetResultAt(aIndex, &result, &rowIndex);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  return result->GetFinalCompleteValueAt(rowIndex, _retval);
+}
+
+NS_IMETHODIMP
 nsAutoCompleteController::SetSearchString(const nsAString &aSearchString)
 {
   mSearchString = aSearchString;
   return NS_OK;
 }
 
 NS_IMETHODIMP
 nsAutoCompleteController::GetSearchString(nsAString &aSearchString)
@@ -1176,19 +1188,24 @@ nsAutoCompleteController::EnterMatch(boo
 
     int32_t selectedIndex;
     popup->GetSelectedIndex(&selectedIndex);
     if (selectedIndex >= 0) {
       // If completeselectedindex is false or a row was selected from the popup,
       // enter it into the textbox. If completeselectedindex is true, or
       // EnterMatch was called via other means, for instance pressing Enter,
       // don't fill in the value as it will have already been filled in as
-      // needed.
-      if (!completeSelection || aIsPopupSelection)
-        GetResultValueAt(selectedIndex, true, value);
+      // needed, unless the final complete value differs.
+      nsAutoString finalValue, inputValue;
+      GetResultValueAt(selectedIndex, true, finalValue);
+      input->GetTextValue(inputValue);
+      if (!completeSelection || aIsPopupSelection ||
+          !finalValue.Equals(inputValue)) {
+        value = finalValue;
+      }
     }
     else if (shouldComplete) {
       // We usually try to preserve the casing of what user has typed, but
       // if he wants to autocomplete, we will replace the value with the
       // actual autocomplete result.
       // The user wants explicitely to use that result, so this ensures
       // association of the result with the autocompleted text.
       nsAutoString defaultIndexValue;
@@ -1201,17 +1218,17 @@ nsAutoCompleteController::EnterMatch(boo
       // we have to find the first default match and enter it instead
       for (uint32_t i = 0; i < mResults.Length(); ++i) {
         nsIAutoCompleteResult *result = mResults[i];
 
         if (result) {
           int32_t defaultIndex;
           result->GetDefaultIndex(&defaultIndex);
           if (defaultIndex >= 0) {
-            result->GetValueAt(defaultIndex, value);
+            result->GetFinalCompleteValueAt(defaultIndex, value);
             break;
           }
         }
       }
     }
   }
 
   nsCOMPtr<nsIObserverService> obsSvc =
@@ -1544,28 +1561,20 @@ nsAutoCompleteController::GetFinalDefaul
 
   result->GetValueAt(defaultIndex, _retval);
   nsAutoString inputValue;
   mInput->GetTextValue(inputValue);
   if (!_retval.Equals(inputValue, nsCaseInsensitiveStringComparator())) {
     return NS_ERROR_FAILURE;
   }
 
-  // Hack: For typeAheadResults allow the comment to be used as the final
-  // defaultComplete value if provided, otherwise fall back to the usual
-  // value.  This allows to provide a different complete text when the user
-  // confirms the match.  Don't rely on this for production code, since it's a
-  // temporary solution that needs a dedicated API (bug 754265).
-  bool isTypeAheadResult = false;
-  nsAutoString commentValue;
-  if (NS_SUCCEEDED(result->GetTypeAheadResult(&isTypeAheadResult)) &&
-      isTypeAheadResult &&
-      NS_SUCCEEDED(result->GetCommentAt(defaultIndex, commentValue)) &&
-      !commentValue.IsEmpty()) {
-    _retval = commentValue;
+  nsAutoString finalCompleteValue;
+  rv = result->GetFinalCompleteValueAt(defaultIndex, finalCompleteValue);
+  if (NS_SUCCEEDED(rv)) {
+    _retval = finalCompleteValue;
   }
 
   MOZ_ASSERT(FindInReadable(inputValue, _retval, nsCaseInsensitiveStringComparator()),
              "Return value must include input value.");
   return NS_OK;
 }
 
 nsresult
@@ -1620,48 +1629,53 @@ nsAutoCompleteController::CompleteValue(
   }
 
   mInput->SelectTextRange(mSearchStringLength, endSelect);
 
   return NS_OK;
 }
 
 nsresult
-nsAutoCompleteController::GetResultLabelAt(int32_t aIndex, bool aValueOnly, nsAString & _retval)
+nsAutoCompleteController::GetResultLabelAt(int32_t aIndex, nsAString & _retval)
 {
-  return GetResultValueLabelAt(aIndex, aValueOnly, false, _retval);
+  return GetResultValueLabelAt(aIndex, false, false, _retval);
 }
 
 nsresult
-nsAutoCompleteController::GetResultValueAt(int32_t aIndex, bool aValueOnly, nsAString & _retval)
+nsAutoCompleteController::GetResultValueAt(int32_t aIndex, bool aGetFinalValue,
+                                           nsAString & _retval)
 {
-  return GetResultValueLabelAt(aIndex, aValueOnly, true, _retval);
+  return GetResultValueLabelAt(aIndex, aGetFinalValue, true, _retval);
 }
 
 nsresult
-nsAutoCompleteController::GetResultValueLabelAt(int32_t aIndex, bool aValueOnly,
-                                                bool aGetValue, nsAString & _retval)
+nsAutoCompleteController::GetResultValueLabelAt(int32_t aIndex,
+                                                bool aGetFinalValue,
+                                                bool aGetValue,
+                                                nsAString & _retval)
 {
   NS_ENSURE_TRUE(aIndex >= 0 && (uint32_t) aIndex < mRowCount, NS_ERROR_ILLEGAL_VALUE);
 
   int32_t rowIndex;
   nsIAutoCompleteResult *result;
   nsresult rv = GetResultAt(aIndex, &result, &rowIndex);
   NS_ENSURE_SUCCESS(rv, rv);
 
   uint16_t searchResult;
   result->GetSearchResult(&searchResult);
 
   if (searchResult == nsIAutoCompleteResult::RESULT_FAILURE) {
-    if (aValueOnly)
+    if (aGetValue)
       return NS_ERROR_FAILURE;
     result->GetErrorDescription(_retval);
   } else if (searchResult == nsIAutoCompleteResult::RESULT_SUCCESS ||
              searchResult == nsIAutoCompleteResult::RESULT_SUCCESS_ONGOING) {
-    if (aGetValue)
+    if (aGetFinalValue)
+      result->GetFinalCompleteValueAt(rowIndex, _retval);
+    else if (aGetValue)
       result->GetValueAt(rowIndex, _retval);
     else
       result->GetLabelAt(rowIndex, _retval);
   }
 
   return NS_OK;
 }
 

--- a/toolkit/components/autocomplete/nsAutoCompleteController.h
+++ b/toolkit/components/autocomplete/nsAutoCompleteController.h
@@ -54,22 +54,21 @@ protected:
   nsresult EnterMatch(bool aIsPopupSelection);
   nsresult RevertTextValue();
 
   nsresult CompleteDefaultIndex(int32_t aResultIndex);
   nsresult CompleteValue(nsString &aValue);
 
   nsresult GetResultAt(int32_t aIndex, nsIAutoCompleteResult** aResult,
                        int32_t* aRowIndex);
-  nsresult GetResultValueAt(int32_t aIndex, bool aValueOnly,
+  nsresult GetResultValueAt(int32_t aIndex, bool aGetFinalValue,
                             nsAString & _retval);
-  nsresult GetResultLabelAt(int32_t aIndex, bool aValueOnly,
-                            nsAString & _retval);
+  nsresult GetResultLabelAt(int32_t aIndex, nsAString & _retval);
 private:
-  nsresult GetResultValueLabelAt(int32_t aIndex, bool aValueOnly,
+  nsresult GetResultValueLabelAt(int32_t aIndex, bool aGetFinalValue,
                                  bool aGetValue, nsAString & _retval);
 protected:
 
   /**
    * Gets and validates the defaultComplete result and the relative
    * defaultIndex value.
    *
    * @param aResultIndex

--- a/toolkit/components/autocomplete/nsAutoCompleteSimpleResult.cpp
+++ b/toolkit/components/autocomplete/nsAutoCompleteSimpleResult.cpp
@@ -85,17 +85,18 @@ nsAutoCompleteSimpleResult::SetTypeAhead
   mTypeAheadResult = aTypeAheadResult;
   return NS_OK;
 }
 
 NS_IMETHODIMP
 nsAutoCompleteSimpleResult::AppendMatch(const nsAString& aValue,
                                         const nsAString& aComment,
                                         const nsAString& aImage,
-                                        const nsAString& aStyle)
+                                        const nsAString& aStyle,
+                                        const nsAString& aFinalCompleteValue)
 {
   CheckInvariants();
 
   if (! mValues.AppendElement(aValue))
     return NS_ERROR_OUT_OF_MEMORY;
   if (! mComments.AppendElement(aComment)) {
     mValues.RemoveElementAt(mValues.Length() - 1);
     return NS_ERROR_OUT_OF_MEMORY;
@@ -106,16 +107,23 @@ nsAutoCompleteSimpleResult::AppendMatch(
     return NS_ERROR_OUT_OF_MEMORY;
   }
   if (! mStyles.AppendElement(aStyle)) {
     mValues.RemoveElementAt(mValues.Length() - 1);
     mComments.RemoveElementAt(mComments.Length() - 1);
     mImages.RemoveElementAt(mImages.Length() - 1);
     return NS_ERROR_OUT_OF_MEMORY;
   }
+  if (!mFinalCompleteValues.AppendElement(aFinalCompleteValue)) {
+    mValues.RemoveElementAt(mValues.Length() - 1);
+    mComments.RemoveElementAt(mComments.Length() - 1);
+    mImages.RemoveElementAt(mImages.Length() - 1);
+    mStyles.RemoveElementAt(mStyles.Length() - 1);
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
   return NS_OK;
 }
 
 NS_IMETHODIMP
 nsAutoCompleteSimpleResult::GetMatchCount(uint32_t *aMatchCount)
 {
   CheckInvariants();
 
@@ -166,16 +174,29 @@ nsAutoCompleteSimpleResult::GetStyleAt(i
   NS_ENSURE_TRUE(aIndex >= 0 && aIndex < int32_t(mStyles.Length()),
                  NS_ERROR_ILLEGAL_VALUE);
   CheckInvariants();
   _retval = mStyles[aIndex];
   return NS_OK;
 }
 
 NS_IMETHODIMP
+nsAutoCompleteSimpleResult::GetFinalCompleteValueAt(int32_t aIndex,
+                                                    nsAString& _retval)
+{
+  NS_ENSURE_TRUE(aIndex >= 0 && aIndex < int32_t(mFinalCompleteValues.Length()),
+                 NS_ERROR_ILLEGAL_VALUE);
+  CheckInvariants();
+  _retval = mFinalCompleteValues[aIndex];
+  if (_retval.Length() == 0)
+    _retval = mValues[aIndex];
+  return NS_OK;
+}
+
+NS_IMETHODIMP
 nsAutoCompleteSimpleResult::SetListener(nsIAutoCompleteSimpleResultListener* aListener)
 {
   mListener = aListener;
   return NS_OK;
 }
 
 NS_IMETHODIMP
 nsAutoCompleteSimpleResult::RemoveValueAt(int32_t aRowIndex,
@@ -184,14 +205,15 @@ nsAutoCompleteSimpleResult::RemoveValueA
   NS_ENSURE_TRUE(aRowIndex >= 0 && aRowIndex < int32_t(mValues.Length()),
                  NS_ERROR_ILLEGAL_VALUE);
 
   nsAutoString removedValue(mValues[aRowIndex]);
   mValues.RemoveElementAt(aRowIndex);
   mComments.RemoveElementAt(aRowIndex);
   mImages.RemoveElementAt(aRowIndex);
   mStyles.RemoveElementAt(aRowIndex);
+  mFinalCompleteValues.RemoveElementAt(aRowIndex);
 
   if (mListener)
     mListener->OnValueRemoved(this, removedValue, aRemoveFromDb);
 
   return NS_OK;
 }

--- a/toolkit/components/autocomplete/nsAutoCompleteSimpleResult.h
+++ b/toolkit/components/autocomplete/nsAutoCompleteSimpleResult.h
@@ -16,16 +16,17 @@
 class nsAutoCompleteSimpleResult MOZ_FINAL : public nsIAutoCompleteSimpleResult
 {
 public:
   nsAutoCompleteSimpleResult();
   inline void CheckInvariants() {
     NS_ASSERTION(mValues.Length() == mComments.Length(), "Arrays out of sync");
     NS_ASSERTION(mValues.Length() == mImages.Length(),   "Arrays out of sync");
     NS_ASSERTION(mValues.Length() == mStyles.Length(),   "Arrays out of sync");
+    NS_ASSERTION(mValues.Length() == mFinalCompleteValues.Length(), "Arrays out of sync");
   }
 
   NS_DECL_ISUPPORTS
   NS_DECL_NSIAUTOCOMPLETERESULT
   NS_DECL_NSIAUTOCOMPLETESIMPLERESULT
 
 private:
   ~nsAutoCompleteSimpleResult() {}
@@ -34,16 +35,17 @@ protected:
 
   // What we really want is an array of structs with value/comment/image/style contents.
   // But then we'd either have to use COM or manage object lifetimes ourselves.
   // Having four arrays of string simplifies this, but is stupid.
   nsTArray<nsString> mValues;
   nsTArray<nsString> mComments;
   nsTArray<nsString> mImages;
   nsTArray<nsString> mStyles;
+  nsTArray<nsString> mFinalCompleteValues;
 
   nsString mSearchString;
   nsString mErrorDescription;
   int32_t mDefaultIndex;
   uint32_t mSearchResult;
 
   bool mTypeAheadResult;
 

--- a/toolkit/components/autocomplete/nsIAutoCompleteController.idl
+++ b/toolkit/components/autocomplete/nsIAutoCompleteController.idl
@@ -1,17 +1,17 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include "nsISupports.idl"
 
 interface nsIAutoCompleteInput;
 
-[scriptable, uuid(dd2c4489-e4bd-4702-86bc-e1691744e556)]
+[scriptable, uuid(ff9f8465-204a-47a6-b3c9-0628b3856684)]
 interface nsIAutoCompleteController : nsISupports
 {
   /*
    * Possible values for the searchStatus attribute
    */
   const unsigned short STATUS_NONE = 1;
   const unsigned short STATUS_SEARCHING = 2;
   const unsigned short STATUS_COMPLETE_NO_MATCH = 3;
@@ -130,12 +130,18 @@ interface nsIAutoCompleteController : ns
   AString getStyleAt(in long index);
 
   /*
    * Get the url of the image of the result at a given index in the last completed search
    */
   AString getImageAt(in long index);
 
   /*
+   * For the last completed search, get the final value that should be completed
+   * when the user confirms the match at the given index
+   */
+  AString getFinalCompleteValueAt(in long index);
+
+  /*
    * Get / set the current search string.  Note, setting will not start searching
    */
   attribute AString searchString;
 };

--- a/toolkit/components/autocomplete/nsIAutoCompleteResult.idl
+++ b/toolkit/components/autocomplete/nsIAutoCompleteResult.idl
@@ -1,15 +1,15 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include "nsISupports.idl"
 
-[scriptable, uuid(7b43fad1-c735-4b45-9383-c3f057fed20d)]
+[scriptable, uuid(9203c031-c4e7-4537-a4ec-81443d623d5a)]
 interface nsIAutoCompleteResult : nsISupports
 {
   /**
    * Possible values for the searchResult attribute
    */
   const unsigned short RESULT_IGNORED = 1; /* indicates invalid searchString */
   const unsigned short RESULT_FAILURE = 2; /* indicates failure */
   const unsigned short RESULT_NOMATCH = 3; /* indicates success with no matches
@@ -77,14 +77,20 @@ interface nsIAutoCompleteResult : nsISup
   AString getStyleAt(in long index);
 
   /**
    * Get the image of the result at the given index
    */
   AString getImageAt(in long index);
 
   /**
+   * Get the final value that should be completed when the user confirms
+   * the match at the given index.
+   */
+  AString getFinalCompleteValueAt(in long index);
+
+  /**
    * Remove the value at the given index from the autocomplete results.
    * If removeFromDb is set to true, the value should be removed from
    * persistent storage as well.
    */
   void removeValueAt(in long rowIndex, in boolean removeFromDb);
 };

--- a/toolkit/components/autocomplete/nsIAutoCompleteSimpleResult.idl
+++ b/toolkit/components/autocomplete/nsIAutoCompleteSimpleResult.idl
@@ -9,17 +9,17 @@ interface nsIAutoCompleteSimpleResultLis
 
 /**
  * This class implements nsIAutoCompleteResult and provides simple methods
  * for setting the value and result items. It can be used whenever some basic
  * auto complete results are needed that can be pre-generated and filled into
  * an array.
  */
 
-[scriptable, uuid(c738dc26-aa71-4561-a3fd-b5a0e4aa80d2)]
+[scriptable, uuid(fe8802f9-c2b7-4141-8e5b-280df3f62251)]
 interface nsIAutoCompleteSimpleResult : nsIAutoCompleteResult
 {
   /**
    * A writer for the readonly attribute 'searchString' which should contain
    * the string that the user typed.
    */
   void setSearchString(in AString aSearchString);
 
@@ -43,22 +43,35 @@ interface nsIAutoCompleteSimpleResult : 
 
   /**
    * A writer for the readonly attribute 'typeAheadResult', typically set
    * because a result is only intended for type-ahead completion.
    */
   void setTypeAheadResult(in boolean aHidden);
 
   /**
-   * Appends a result item consisting of the given value, comment, image and style.
-   * This is how you add results.  Note:  image and style are optional. 
+   * Appends a match consisting of the given value, comment, image, style and
+   * the value to use for defaultIndex completion.
+   * @param aValue
+   *        The value to autocomplete to
+   * @param aComment
+   *        Comment shown in the autocomplete widget to describe this match
+   * @param aImage
+   *        Image shown in the autocomplete widget for this match.
+   * @param aStyle
+   *        Describes how to style the match in the autocomplete widget
+   * @param aFinalCompleteValue
+   *        Value used when the user confirms selecting this match. If not
+   *        provided, aValue will be used.
    */
-  void appendMatch(in AString aValue, in AString aComment, 
-                   [optional] in AString aImage, 
-                   [optional] in AString aStyle);
+  void appendMatch(in AString aValue,
+                   in AString aComment,
+                   [optional] in AString aImage,
+                   [optional] in AString aStyle,
+                   [optional] in AString aFinalCompleteValue);
 
   /**
    * Sets a listener for changes in the result.
    */
   void setListener(in nsIAutoCompleteSimpleResultListener aListener);
 };
 
 [scriptable, uuid(004efdc5-1989-4874-8a7a-345bf2fa33af)]

--- a/toolkit/components/autocomplete/tests/unit/head_autocomplete.js
+++ b/toolkit/components/autocomplete/tests/unit/head_autocomplete.js
@@ -73,17 +73,18 @@ function AutoCompleteResultBase(aValues)
   this._values = aValues;
 }
 AutoCompleteResultBase.prototype = {
   
   // Arrays
   _values: null,
   _comments: [],
   _styles: [],
-  
+  _finalCompleteValues: [],
+
   searchString: "",
   searchResult: null,
   
   defaultIndex: -1,
   
   _typeAheadResult: false,
   get typeAheadResult() {
     return this._typeAheadResult;
@@ -108,16 +109,20 @@ AutoCompleteResultBase.prototype = {
   getStyleAt: function(aIndex) {
     return this._styles[aIndex];
   },
   
   getImageAt: function(aIndex) {
     return "";
   },
 
+  getFinalCompleteValueAt: function(aIndex) {
+    return this._finalCompleteValues[aIndex] || this._values[aIndex];
+  },
+
   removeValueAt: function (aRowIndex, aRemoveFromDb) {},
 
   // nsISupports implementation
   QueryInterface: XPCOMUtils.generateQI([Ci.nsIAutoCompleteResult])
 }
 
 /** 
  * nsIAutoCompleteSearch implementation that always returns

--- a/toolkit/components/autocomplete/tests/unit/test_378079.js
+++ b/toolkit/components/autocomplete/tests/unit/test_378079.js
@@ -118,16 +118,20 @@ AutoCompleteResult.prototype = {
   getStyleAt: function(aIndex) {
     return this._styles[aIndex];
   },
   
   getImageAt: function(aIndex) {
     return "";
   },
 
+  getFinalCompleteValueAt: function(aIndex) {
+    return this.getValueAt(aIndex);
+  },
+
   removeValueAt: function (aRowIndex, aRemoveFromDb) {},
 
   // nsISupports implementation
   QueryInterface: function(iid) {
     if (iid.equals(Ci.nsISupports) ||
         iid.equals(Ci.nsIAutoCompleteResult))
       return this;
 

--- a/toolkit/components/autocomplete/tests/unit/test_393191.js
+++ b/toolkit/components/autocomplete/tests/unit/test_393191.js
@@ -117,16 +117,20 @@ AutoCompleteResult.prototype = {
   getStyleAt: function(aIndex) {
     return this._styles[aIndex];
   },
   
   getImageAt: function(aIndex) {
     return "";
   },
 
+  getFinalCompleteValueAt: function(aIndex) {
+    return this.getValueAt(aIndex);
+  },
+
   removeValueAt: function (aRowIndex, aRemoveFromDb) {},
 
   // nsISupports implementation
   QueryInterface: function(iid) {
     if (iid.equals(Ci.nsISupports) ||
         iid.equals(Ci.nsIAutoCompleteResult))
       return this;
 

--- a/toolkit/components/autocomplete/tests/unit/test_440866.js
+++ b/toolkit/components/autocomplete/tests/unit/test_440866.js
@@ -116,16 +116,20 @@ AutoCompleteResult.prototype = {
   getStyleAt: function(aIndex) {
     return this._styles[aIndex];
   },
 
   getImageAt: function(aIndex) {
     return "";
   },
 
+  getFinalCompleteValueAt: function(aIndex) {
+    return this.getValueAt(aIndex);
+  },
+
   removeValueAt: function (aRowIndex, aRemoveFromDb) {},
 
   // nsISupports implementation
   QueryInterface: function(iid) {
     if (iid.equals(Ci.nsISupports) ||
         iid.equals(Ci.nsIAutoCompleteResult))
       return this;
 

--- a/toolkit/components/autocomplete/tests/unit/test_autocomplete_multiple.js
+++ b/toolkit/components/autocomplete/tests/unit/test_autocomplete_multiple.js
@@ -105,16 +105,20 @@ AutoCompleteResult.prototype = {
   getStyleAt: function(aIndex) {
     return this._styles[aIndex];
   },
   
   getImageAt: function(aIndex) {
     return "";
   },
 
+  getFinalCompleteValueAt: function(aIndex) {
+    return this.getValueAt(aIndex);
+  },
+
   removeValueAt: function (aRowIndex, aRemoveFromDb) {},
 
   // nsISupports implementation
   QueryInterface: function(iid) {
     if (iid.equals(Ci.nsISupports) ||
         iid.equals(Ci.nsIAutoCompleteResult))
       return this;
 

new file mode 100644
--- /dev/null
+++ b/toolkit/components/autocomplete/tests/unit/test_finalCompleteValue.js
@@ -0,0 +1,54 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+function AutoCompleteResult(aValues, aFinalCompleteValues) {
+  this._values = aValues;
+  this._finalCompleteValues = aFinalCompleteValues;
+}
+AutoCompleteResult.prototype = Object.create(AutoCompleteResultBase.prototype);
+
+function AutoCompleteInput(aSearches) {
+  this.searches = aSearches;
+  this.popup.selectedIndex = 0;
+}
+AutoCompleteInput.prototype = Object.create(AutoCompleteInputBase.prototype);
+
+function run_test() {
+  run_next_test();
+}
+
+add_test(function test_handleEnter() {
+  doSearch("moz", "mozilla.com", "http://www.mozilla.com", function(aController) {
+    do_check_eq(aController.input.textValue, "moz");
+    do_check_eq(aController.getFinalCompleteValueAt(0), "http://www.mozilla.com");
+    aController.handleEnter(false);
+    do_check_eq(aController.input.textValue, "http://www.mozilla.com");
+  });
+});
+
+function doSearch(aSearchString, aResultValue, aFinalCompleteValue, aOnCompleteCallback) {
+  let search = new AutoCompleteSearchBase(
+    "search",
+    new AutoCompleteResult([ aResultValue ], [ aFinalCompleteValue ])
+  );
+  registerAutoCompleteSearch(search);
+
+  let controller = Cc["@mozilla.org/autocomplete/controller;1"].
+                   getService(Ci.nsIAutoCompleteController);  
+  
+  // Make an AutoCompleteInput that uses our searches and confirms results.
+  let input = new AutoCompleteInput([ search.name ]);
+  input.textValue = aSearchString;
+
+  controller.input = input;
+  controller.startSearch(aSearchString);
+
+  input.onSearchComplete = function onSearchComplete() {
+    aOnCompleteCallback(controller);
+
+    // Clean up.
+    unregisterAutoCompleteSearch(search);
+    run_next_test();
+  };
+}

new file mode 100644
--- /dev/null
+++ b/toolkit/components/autocomplete/tests/unit/test_finalCompleteValue_forceComplete.js
@@ -0,0 +1,56 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+function AutoCompleteResult(aValues, aFinalCompleteValues) {
+  this._values = aValues;
+  this._finalCompleteValues = aFinalCompleteValues;
+  this.defaultIndex = 0;
+}
+AutoCompleteResult.prototype = Object.create(AutoCompleteResultBase.prototype);
+
+function AutoCompleteInput(aSearches) {
+  this.searches = aSearches;
+  this.popup.selectedIndex = -1;
+}
+AutoCompleteInput.prototype = Object.create(AutoCompleteInputBase.prototype);
+
+function run_test() {
+  run_next_test();
+}
+
+add_test(function test_handleEnter() {
+  doSearch("", "mozilla.com", "http://www.mozilla.com", function(aController) {
+    do_check_eq(aController.input.textValue, "");
+    do_check_eq(aController.getFinalCompleteValueAt(0), "http://www.mozilla.com");
+    aController.input.forceComplete = true;
+    aController.handleEnter(false);
+    do_check_eq(aController.input.textValue, "http://www.mozilla.com");
+  });
+});
+
+function doSearch(aSearchString, aResultValue, aFinalCompleteValue, aOnCompleteCallback) {
+  let search = new AutoCompleteSearchBase(
+    "search",
+    new AutoCompleteResult([ aResultValue ], [ aFinalCompleteValue ])
+  );
+  registerAutoCompleteSearch(search);
+
+  let controller = Cc["@mozilla.org/autocomplete/controller;1"].
+                   getService(Ci.nsIAutoCompleteController);  
+  
+  // Make an AutoCompleteInput that uses our searches and confirms results.
+  let input = new AutoCompleteInput([ search.name ]);
+  input.textValue = aSearchString;
+
+  controller.input = input;
+  controller.startSearch(aSearchString);
+
+  input.onSearchComplete = function onSearchComplete() {
+    aOnCompleteCallback(controller);
+
+    // Clean up.
+    unregisterAutoCompleteSearch(search);
+    run_next_test();
+  };
+}

--- a/toolkit/components/autocomplete/tests/unit/test_finalDefaultCompleteValue.js
+++ b/toolkit/components/autocomplete/tests/unit/test_finalDefaultCompleteValue.js
@@ -1,17 +1,16 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-function AutoCompleteResult(aValues, aComments) {
+function AutoCompleteResult(aValues, aFinalCompleteValues) {
   this._values = aValues;
-  this._comments = aComments;
+  this._finalCompleteValues = aFinalCompleteValues;
   this.defaultIndex = 0;
-  this._typeAheadResult = true;
 }
 AutoCompleteResult.prototype = Object.create(AutoCompleteResultBase.prototype);
 
 function AutoCompleteInput(aSearches) {
   this.searches = aSearches;
   this.popup.selectedIndex = -1;
   this.completeDefaultIndex = true;
 }
@@ -32,20 +31,20 @@ add_test(function test_keyNavigation() {
 add_test(function test_handleEnter() {
   doSearch("moz", "mozilla.com", "http://www.mozilla.com", function(aController) {
     do_check_eq(aController.input.textValue, "mozilla.com");
     aController.handleEnter(false);
     do_check_eq(aController.input.textValue, "http://www.mozilla.com");
   });
 });
 
-function doSearch(aSearchString, aResultValue, aCommentValue, aOnCompleteCallback) {
+function doSearch(aSearchString, aResultValue, aFinalCompleteValue, aOnCompleteCallback) {
   let search = new AutoCompleteSearchBase(
     "search",
-    new AutoCompleteResult([ aResultValue ], [ aCommentValue ], 0)
+    new AutoCompleteResult([ aResultValue ], [ aFinalCompleteValue ])
   );
   registerAutoCompleteSearch(search);
 
   let controller = Cc["@mozilla.org/autocomplete/controller;1"].
                    getService(Ci.nsIAutoCompleteController);  
   
   // Make an AutoCompleteInput that uses our searches and confirms results.
   let input = new AutoCompleteInput([ search.name ]);

--- a/toolkit/components/autocomplete/tests/unit/test_popupSelectionVsDefaultCompleteValue.js
+++ b/toolkit/components/autocomplete/tests/unit/test_popupSelectionVsDefaultCompleteValue.js
@@ -1,23 +1,22 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-function AutoCompleteTypeAheadResult(aValues, aComments) {
+function AutoCompleteTypeAheadResult(aValues, aFinalCompleteValues) {
   this._values = aValues;
-  this._comments = aComments;
+  this._finalCompleteValues = aFinalCompleteValues;
   this.defaultIndex = 0;
   this._typeAheadResult = true;
 }
 AutoCompleteTypeAheadResult.prototype = Object.create(AutoCompleteResultBase.prototype);
 
-function AutoCompleteResult(aValues, aComments) {
+function AutoCompleteResult(aValues) {
   this._values = aValues;
-  this._comments = aComments;
 }
 AutoCompleteResult.prototype = Object.create(AutoCompleteResultBase.prototype);
 
 function AutoCompleteInput(aSearches) {
   this.searches = aSearches;
   this.popupOpen = true;
   this.completeDefaultIndex = true;
   this.completeSelectedIndex = true;
@@ -40,17 +39,17 @@ function doSearch(aSearchString, aOnComp
   let typeAheadSearch = new AutoCompleteSearchBase(
     "typeAheadSearch",
     new AutoCompleteTypeAheadResult([ "mozilla.com" ], [ "http://www.mozilla.com" ])
   );
   registerAutoCompleteSearch(typeAheadSearch);
 
   let search = new AutoCompleteSearchBase(
     "search",
-    new AutoCompleteResult([ "mozilla.org" ], [ "http://www.mozilla.org" ])
+    new AutoCompleteResult([ "mozilla.org" ])
   );
   registerAutoCompleteSearch(search);
 
   let controller = Cc["@mozilla.org/autocomplete/controller;1"].
                    getService(Ci.nsIAutoCompleteController);
 
   // Make an AutoCompleteInput that uses our searches and confirms results.
   let input = new AutoCompleteInput([ typeAheadSearch.name, search.name ]);

--- a/toolkit/components/autocomplete/tests/unit/test_previousResult.js
+++ b/toolkit/components/autocomplete/tests/unit/test_previousResult.js
@@ -116,16 +116,20 @@ AutoCompleteResult.prototype = {
   getStyleAt: function(aIndex) {
     return this._styles[aIndex];
   },
   
   getImageAt: function(aIndex) {
     return "";
   },
 
+  getFinalCompleteValueAt: function(aIndex) {
+    return this.getValueAt(aIndex);
+  },
+
   removeValueAt: function (aRowIndex, aRemoveFromDb) {},
 
   // nsISupports implementation
   QueryInterface: function(iid) {
     if (iid.equals(Ci.nsISupports) ||
         iid.equals(Ci.nsIAutoCompleteResult))
       return this;
 

--- a/toolkit/components/autocomplete/tests/unit/xpcshell.ini
+++ b/toolkit/components/autocomplete/tests/unit/xpcshell.ini
@@ -6,14 +6,16 @@ tail =
 [test_378079.js]
 [test_393191.js]
 [test_440866.js]
 [test_463023.js]
 [test_660156.js]
 [test_autocomplete_multiple.js]
 [test_badDefaultIndex.js]
 [test_completeDefaultIndex_casing.js]
+[test_finalCompleteValue.js]
+[test_finalCompleteValue_forceComplete.js]
 [test_finalDefaultCompleteValue.js]
 [test_hiddenResult.js]
 [test_immediate_search.js]
 [test_popupSelectionVsDefaultCompleteValue.js]
 [test_previousResult.js]
 [test_stopSearch.js]

--- a/toolkit/components/filepicker/nsFileView.cpp
+++ b/toolkit/components/filepicker/nsFileView.cpp
@@ -167,16 +167,21 @@ NS_IMETHODIMP nsFileResult::GetStyleAt(i
   return NS_OK;
 }
 
 NS_IMETHODIMP nsFileResult::GetImageAt(int32_t index, nsAString & aImage)
 {
   aImage.Truncate();
   return NS_OK;
 }
+NS_IMETHODIMP nsFileResult::GetFinalCompleteValueAt(int32_t index,
+                                                    nsAString & aValue)
+{
+  return GetValueAt(index, aValue);
+}
 
 NS_IMETHODIMP nsFileResult::RemoveValueAt(int32_t rowIndex, bool removeFromDb)
 {
   return NS_OK;
 }
 
 class nsFileComplete MOZ_FINAL : public nsIAutoCompleteSearch
 {

--- a/toolkit/components/passwordmgr/nsLoginManager.js
+++ b/toolkit/components/passwordmgr/nsLoginManager.js
@@ -606,16 +606,20 @@ UserAutoCompleteResult.prototype = {
     getStyleAt : function (index) {
         return "";
     },
 
     getImageAt : function (index) {
         return "";
     },
 
+    getFinalCompleteValueAt : function (index) {
+        return this.getValueAt(index);
+    },
+
     removeValueAt : function (index, removeFromDB) {
         if (index < 0 || index >= this.logins.length)
             throw "Index out of range.";
 
         var [removedLogin] = this.logins.splice(index, 1);
 
         this.matchCount--;
         if (this.defaultIndex > this.logins.length)

--- a/toolkit/components/places/PlacesUtils.jsm
+++ b/toolkit/components/places/PlacesUtils.jsm
@@ -151,73 +151,58 @@ this.PlacesUtils = {
 
   /**
    * Determines whether or not a ResultNode is a Bookmark folder.
    * @param   aNode
    *          A result node
    * @returns true if the node is a Bookmark folder, false otherwise
    */
   nodeIsFolder: function PU_nodeIsFolder(aNode) {
-    if (!(aNode instanceof Ci.nsINavHistoryResultNode)) {
-      throw new Error("Invalid Places node");
-    }
     return (aNode.type == Ci.nsINavHistoryResultNode.RESULT_TYPE_FOLDER ||
             aNode.type == Ci.nsINavHistoryResultNode.RESULT_TYPE_FOLDER_SHORTCUT);
   },
 
   /**
    * Determines whether or not a ResultNode represents a bookmarked URI.
    * @param   aNode
    *          A result node
    * @returns true if the node represents a bookmarked URI, false otherwise
    */
   nodeIsBookmark: function PU_nodeIsBookmark(aNode) {
-    if (!(aNode instanceof Ci.nsINavHistoryResultNode)) {
-      throw new Error("Invalid Places node");
-    }
     return aNode.type == Ci.nsINavHistoryResultNode.RESULT_TYPE_URI &&
            aNode.itemId != -1;
   },
 
   /**
    * Determines whether or not a ResultNode is a Bookmark separator.
    * @param   aNode
    *          A result node
    * @returns true if the node is a Bookmark separator, false otherwise
    */
   nodeIsSeparator: function PU_nodeIsSeparator(aNode) {
-    if (!(aNode instanceof Ci.nsINavHistoryResultNode)) {
-      throw new Error("Invalid Places node");
-    }
     return aNode.type == Ci.nsINavHistoryResultNode.RESULT_TYPE_SEPARATOR;
   },
 
   /**
    * Determines whether or not a ResultNode is a URL item.
    * @param   aNode
    *          A result node
    * @returns true if the node is a URL item, false otherwise
    */
   nodeIsURI: function PU_nodeIsURI(aNode) {
-    if (!(aNode instanceof Ci.nsINavHistoryResultNode)) {
-      throw new Error("Invalid Places node");
-    }
     return aNode.type == Ci.nsINavHistoryResultNode.RESULT_TYPE_URI;
   },
 
   /**
    * Determines whether or not a ResultNode is a Query item.
    * @param   aNode
    *          A result node
    * @returns true if the node is a Query item, false otherwise
    */
   nodeIsQuery: function PU_nodeIsQuery(aNode) {
-    if (!(aNode instanceof Ci.nsINavHistoryResultNode)) {
-      throw new Error("Invalid Places node");
-    }
     return aNode.type == Ci.nsINavHistoryResultNode.RESULT_TYPE_QUERY;
   },
 
   /**
    * Generator for a node's ancestors.
    * @param aNode
    *        A result node
    */
@@ -367,19 +352,16 @@ this.PlacesUtils = {
   /**
    * Determines if a node is read only (children cannot be inserted, sometimes
    * they cannot be removed depending on the circumstance)
    * @param   aNode
    *          A result node
    * @returns true if the node is readonly, false otherwise
    */
   nodeIsReadOnly: function PU_nodeIsReadOnly(aNode) {
-    if (!(aNode instanceof Ci.nsINavHistoryResultNode)) {
-      throw new Error("Invalid Places node");
-    }
     let itemId = aNode.itemId;
     if (itemId != -1) {
       return this._readOnly.indexOf(itemId) != -1;
     }
 
     if (this.nodeIsQuery(aNode) &&
         asQuery(aNode).queryOptions.resultType !=
         Ci.nsINavHistoryQueryOptions.RESULTS_AS_TAG_CONTENTS)
@@ -389,71 +371,59 @@ this.PlacesUtils = {
 
   /**
    * Determines whether or not a ResultNode is a host container.
    * @param   aNode
    *          A result node
    * @returns true if the node is a host container, false otherwise
    */
   nodeIsHost: function PU_nodeIsHost(aNode) {
-    if (!(aNode instanceof Ci.nsINavHistoryResultNode)) {
-      throw new Error("Invalid Places node");
-    }
     return aNode.type == Ci.nsINavHistoryResultNode.RESULT_TYPE_QUERY &&
            aNode.parent &&
            asQuery(aNode.parent).queryOptions.resultType ==
              Ci.nsINavHistoryQueryOptions.RESULTS_AS_SITE_QUERY;
   },
 
   /**
    * Determines whether or not a ResultNode is a day container.
    * @param   node
    *          A NavHistoryResultNode
    * @returns true if the node is a day container, false otherwise
    */
   nodeIsDay: function PU_nodeIsDay(aNode) {
-    if (!(aNode instanceof Ci.nsINavHistoryResultNode)) {
-      throw new Error("Invalid Places node");
-    }
     var resultType;
     return aNode.type == Ci.nsINavHistoryResultNode.RESULT_TYPE_QUERY &&
            aNode.parent &&
            ((resultType = asQuery(aNode.parent).queryOptions.resultType) ==
                Ci.nsINavHistoryQueryOptions.RESULTS_AS_DATE_QUERY ||
              resultType == Ci.nsINavHistoryQueryOptions.RESULTS_AS_DATE_SITE_QUERY);
   },
 
   /**
    * Determines whether or not a result-node is a tag container.
    * @param   aNode
    *          A result-node
    * @returns true if the node is a tag container, false otherwise
    */
   nodeIsTagQuery: function PU_nodeIsTagQuery(aNode) {
-    if (!(aNode instanceof Ci.nsINavHistoryResultNode)) {
-      throw new Error("Invalid Places node");
-    }
     return aNode.type == Ci.nsINavHistoryResultNode.RESULT_TYPE_QUERY &&
            asQuery(aNode).queryOptions.resultType ==
              Ci.nsINavHistoryQueryOptions.RESULTS_AS_TAG_CONTENTS;
   },
 
   /**
    * Determines whether or not a ResultNode is a container.
    * @param   aNode
    *          A result node
    * @returns true if the node is a container item, false otherwise
    */
   containerTypes: [Ci.nsINavHistoryResultNode.RESULT_TYPE_FOLDER,
                    Ci.nsINavHistoryResultNode.RESULT_TYPE_FOLDER_SHORTCUT,
                    Ci.nsINavHistoryResultNode.RESULT_TYPE_QUERY],
   nodeIsContainer: function PU_nodeIsContainer(aNode) {
-    if (!(aNode instanceof Ci.nsINavHistoryResultNode)) {
-      throw new Error("Invalid Places node");
-    }
     return this.containerTypes.indexOf(aNode.type) != -1;
   },
 
   /**
    * Determines whether or not a ResultNode is an history related container.
    * @param   node
    *          A result node
    * @returns true if the node is an history related container, false otherwise

--- a/toolkit/components/places/nsPlacesAutoComplete.js
+++ b/toolkit/components/places/nsPlacesAutoComplete.js
@@ -1399,19 +1399,17 @@ urlInlineComplete.prototype = {
         let untrimmedHost = row.getResultByIndex(1);
         // If the untrimmed value doesn't preserve the user's input just
         // ignore it and complete to the found host.
         if (untrimmedHost &&
             !untrimmedHost.toLowerCase().contains(ac._originalSearchString.toLowerCase())) {
           untrimmedHost = null;
         }
 
-        // TODO (bug 754265): this is a temporary solution introduced while
-        // waiting for a propert dedicated API.
-        ac._result.appendMatch(ac._strippedPrefix + trimmedHost, untrimmedHost);
+        ac._result.appendMatch(ac._strippedPrefix + trimmedHost, "", "", "", untrimmedHost);
 
         // handleCompletion() will cause the result listener to be called, and
         // will display the result in the UI.
       },
 
       handleError: function (aError) {
         Components.utils.reportError(
           "URL Inline Complete: An async statement encountered an " +
@@ -1475,19 +1473,17 @@ urlInlineComplete.prototype = {
         // If the untrimmed value doesn't preserve the user's input just
         // ignore it and complete to the found url.
         let untrimmedURL = prefix + url;
         if (untrimmedURL &&
             !untrimmedURL.toLowerCase().contains(ac._originalSearchString.toLowerCase())) {
           untrimmedURL = null;
          }
 
-        // TODO (bug 754265): this is a temporary solution introduced while
-        // waiting for a propert dedicated API.
-        ac._result.appendMatch(ac._strippedPrefix + url, untrimmedURL);
+        ac._result.appendMatch(ac._strippedPrefix + url, "", "", "", untrimmedURL);
 
         // handleCompletion() will cause the result listener to be called, and
         // will display the result in the UI.
       },
 
       handleError: function(aError) {
         Components.utils.reportError(
           "URL Inline Complete: An async statement encountered an " +

--- a/toolkit/components/places/nsTaggingService.js
+++ b/toolkit/components/places/nsTaggingService.js
@@ -538,16 +538,23 @@ TagAutoCompleteResult.prototype = {
   /**
    * Get the image for the result at the given index
    */
   getImageAt: function PTACR_getImageAt(index) {
     return null;
   },
 
   /**
+   * Get the image for the result at the given index
+   */
+  getFinalCompleteValueAt: function PTACR_getFinalCompleteValueAt(index) {
+    return this.getValueAt(index);
+  },
+
+  /**
    * Remove the value at the given index from the autocomplete results.
    * If removeFromDb is set to true, the value should be removed from
    * persistent storage as well.
    */
   removeValueAt: function PTACR_removeValueAt(index, removeFromDb) {
     this._results.splice(index, 1);
     this._comments.splice(index, 1);
   },

deleted file mode 100644
--- a/toolkit/components/places/tests/unit/test_PlacesUtils_nodeIsXXX_invalidArg.js
+++ /dev/null
@@ -1,24 +0,0 @@
-
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-function run_test() {
- let nodeIsMethods = [
-  "nodeIsFolder",
-  "nodeIsBookmark",
-  "nodeIsSeparator",
-  "nodeIsURI",
-  "nodeIsQuery",
-  "nodeIsReadOnly",
-  "nodeIsHost",
-  "nodeIsDay",
-  "nodeIsTagQuery",
-  "nodeIsContainer",
-  "nodeIsHistoryContainer",
-  "nodeIsQuery"
- ];
- for (let methodName of nodeIsMethods) {
-  Assert.throws(() => PlacesUtils[methodName](true), /Invalid Places node/);
- }
-}
-

--- a/toolkit/components/places/tests/unit/xpcshell.ini
+++ b/toolkit/components/places/tests/unit/xpcshell.ini
@@ -112,17 +112,16 @@ fail-if = os == "android"
 skip-if = true
 [test_null_interfaces.js]
 [test_onItemChanged_tags.js]
 [test_pageGuid_bookmarkGuid.js]
 [test_frecency_observers.js]
 [test_placeURIs.js]
 [test_PlacesUtils_asyncGetBookmarkIds.js]
 [test_PlacesUtils_lazyobservers.js]
-[test_PlacesUtils_nodeIsXXX_invalidArg.js]
 [test_placesTxn.js]
 [test_preventive_maintenance.js]
 # Bug 676989: test hangs consistently on Android
 skip-if = os == "android"
 [test_preventive_maintenance_checkAndFixDatabase.js]
 # Bug 676989: test hangs consistently on Android
 skip-if = os == "android"
 [test_preventive_maintenance_runTasks.js]

--- a/toolkit/components/satchel/nsFormAutoComplete.js
+++ b/toolkit/components/satchel/nsFormAutoComplete.js
@@ -471,16 +471,20 @@ FormAutoCompleteResult.prototype = {
         return "";
     },
 
     getImageAt : function (index) {
         this._checkIndexBounds(index);
         return "";
     },
 
+    getFinalCompleteValueAt : function (index) {
+        return this.getValueAt(index);
+    },
+
     removeValueAt : function (index, removeFromDB) {
         this._checkIndexBounds(index);
 
         let [removedEntry] = this.entries.splice(index, 1);
 
         if (removeFromDB) {
           this.formHistory.update({ op: "remove",
                                     fieldname: this.fieldName,

--- a/toolkit/components/satchel/nsFormAutoCompleteResult.jsm
+++ b/toolkit/components/satchel/nsFormAutoCompleteResult.jsm
@@ -147,16 +147,25 @@ FormAutoCompleteResult.prototype = {
    * @return          the image url at the specified index
    */
   getImageAt: function(index) {
     this._checkIndexBounds(index);
     return "";
   },
 
   /**
+   * Retrieves a result
+   * @param  index    the index of the result requested
+   * @return          the result at the specified index
+   */
+  getFinalCompleteValueAt: function(index) {
+    return this.getValueAt(index);
+  },
+
+  /**
    * Removes a result from the resultset
    * @param  index    the index of the result to remove
    */
   removeValueAt: function(index, removeFromDatabase) {
     this._checkIndexBounds(index);
     // Forward the removeValueAt call to the underlying result if we have one
     // Note: this assumes that the form history results were added to the top
     // of our arrays.

--- a/toolkit/content/tests/chrome/test_autocomplete2.xul
+++ b/toolkit/content/tests/chrome/test_autocomplete2.xul
@@ -39,16 +39,17 @@ nsAutoCompleteSimpleResult.prototype = {
  searchResult: ACR.RESULT_FAILURE,
  defaultIndex: -1,
  errorDescription: null,
  matchCount: 0,
  getValueAt: function() { return this._param; },
  getCommentAt: function() { return null; },
  getStyleAt: function() { return null; },
  getImageAt: function() { return null; },
+ getFinalCompleteValueAt: function() { return this.getValueAt(); },
  getLabelAt: function() { return null; },
  removeValueAt: function() {}
 };
 
 // A basic autocomplete implementation that either returns one result or none
 var autoCompleteSimpleID = Components.ID("0a2afbdb-f30e-47d1-9cb1-0cd160240aca");
 var autoCompleteSimpleName = "@mozilla.org/autocomplete/search;1?name=simple"
 var autoCompleteSimple = {

--- a/toolkit/content/tests/chrome/test_autocomplete3.xul
+++ b/toolkit/content/tests/chrome/test_autocomplete3.xul
@@ -39,16 +39,17 @@ nsAutoCompleteSimpleResult.prototype = {
  searchResult: ACR.RESULT_FAILURE,
  defaultIndex: 0,
  errorDescription: null,
  matchCount: 0,
  getValueAt: function() { return this._param; },
  getCommentAt: function() { return null; },
  getStyleAt: function() { return null; },
  getImageAt: function() { return null; },
+ getFinalCompleteValueAt: function() { return this.getValueAt(); },
  getLabelAt: function() { return null; },
  removeValueAt: function() {}
 };
 
 // A basic autocomplete implementation that either returns one result or none
 var autoCompleteSimpleID = Components.ID("0a2afbdb-f30e-47d1-9cb1-0cd160240aca");
 var autoCompleteSimpleName = "@mozilla.org/autocomplete/search;1?name=simple"
 var autoCompleteSimple = {

--- a/toolkit/content/tests/chrome/test_autocomplete4.xul
+++ b/toolkit/content/tests/chrome/test_autocomplete4.xul
@@ -41,16 +41,17 @@ nsAutoCompleteSimpleResult.prototype = {
  searchResult: ACR.RESULT_FAILURE,
  defaultIndex: 0,
  errorDescription: null,
  matchCount: 0,
  getValueAt: function() { return this._param; },
  getCommentAt: function() { return null; },
  getStyleAt: function() { return null; },
  getImageAt: function() { return null; },
+ getFinalCompleteValueAt: function() { return this.getValueAt(); },
  getLabelAt: function() { return null; },
  removeValueAt: function() {}
 };
 
 // A basic autocomplete implementation that either returns one result or none
 var autoCompleteSimpleID = Components.ID("0a2afbdb-f30e-47d1-9cb1-0cd160240aca");
 var autoCompleteSimpleName = "@mozilla.org/autocomplete/search;1?name=simple"
 var autoCompleteSimple = {

--- a/toolkit/content/tests/chrome/test_autocomplete5.xul
+++ b/toolkit/content/tests/chrome/test_autocomplete5.xul
@@ -37,16 +37,17 @@ nsAutoCompleteSimpleResult.prototype = {
  searchResult: ACR.RESULT_FAILURE,
  defaultIndex: -1,
  errorDescription: null,
  matchCount: 0,
  getValueAt: function() { return this._param; },
  getCommentAt: function() { return null; },
  getStyleAt: function() { return null; },
  getImageAt: function() { return null; },
+ getFinalCompleteValueAt: function() { return this.getValueAt(); },
  getLabelAt: function() { return null; },
  removeValueAt: function() {}
 };
 
 // A basic autocomplete implementation that either returns one result or none
 var autoCompleteSimpleID = Components.ID("0a2afbdb-f30e-47d1-9cb1-0cd160240aca");
 var autoCompleteSimpleName = "@mozilla.org/autocomplete/search;1?name=simple"
 var autoCompleteSimple = {

--- a/toolkit/content/tests/chrome/test_autocomplete_delayOnPaste.xul
+++ b/toolkit/content/tests/chrome/test_autocomplete_delayOnPaste.xul
@@ -37,16 +37,17 @@ autoCompleteSimpleResult.prototype = {
  searchResult: Components.interfaces.nsIAutoCompleteResult.RESULT_FAILURE,
  defaultIndex: 0,
  errorDescription: null,
  matchCount: 0,
  getValueAt: function() { return this._param; },
  getCommentAt: function() { return null; },
  getStyleAt: function() { return null; },
  getImageAt: function() { return null; },
+ getFinalCompleteValueAt: function() { return this.getValueAt(); },
  getLabelAt: function() { return null; },
  removeValueAt: function() {}
 };
 
 // A basic autocomplete implementation that returns one result.
 let autoCompleteSimple = {
   classID: Components.ID("0a2afbdb-f30e-47d1-9cb1-0cd160240aca"),
   contractID: "@mozilla.org/autocomplete/search;1?name=simple",

--- a/toolkit/content/tests/chrome/test_autocomplete_with_composition_on_textbox.xul
+++ b/toolkit/content/tests/chrome/test_autocomplete_with_composition_on_textbox.xul
@@ -52,16 +52,17 @@ nsAutoCompleteSimpleResult.prototype = {
  searchResult: nsIAutoCompleteResult.RESULT_FAILURE,
  defaultIndex: 0,
  errorDescription: null,
  matchCount: 0,
  getValueAt: function(aIndex) { return aIndex == 0 ? this._value : null; },
  getCommentAt: function() { return null; },
  getStyleAt: function() { return null; },
  getImageAt: function() { return null; },
+ getFinalCompleteValueAt: function(aIndex) { return this.getValueAt(aIndex); },
  getLabelAt: function() { return null; },
  removeValueAt: function() {}
 };
 
 // A basic autocomplete implementation that either returns one result or none
 var autoCompleteSimpleID =
   Components.ID("0a2afbdb-f30e-47d1-9cb1-0cd160240aca");
 var autoCompleteSimpleName =

--- a/toolkit/content/widgets/videocontrols.css
+++ b/toolkit/content/widgets/videocontrols.css
@@ -29,16 +29,20 @@
   font: normal normal normal 100%/normal sans-serif !important;
   text-decoration: none !important;
 }
 
 .controlsSpacer[hideCursor] {
   cursor: none;
 }
 
+.controlsOverlay[scaled] {
+  -moz-box-align: center;
+}
+
 /* CSS Transitions
  *
  * These are overriden by the default theme; the rules here just 
  * provide a fallback to drive the required transitionend event
  * (in case a 3rd party theme does not provide transitions).
  */
 .controlBar:not([immediate]) {
   transition-property: opacity;

--- a/toolkit/content/widgets/videocontrols.xml
+++ b/toolkit/content/widgets/videocontrols.xml
@@ -320,16 +320,17 @@
                 scrubberThumb  : null,
                 scrubber       : null,
                 progressBar    : null,
                 bufferBar      : null,
                 statusOverlay  : null,
                 controlsSpacer : null,
                 clickToPlay    : null,
                 stats          : {},
+                controlsOverlay : null,
                 fullscreenButton : null,
 
                 randomID : 0,
                 videoEvents : ["play", "pause", "ended", "volumechange", "loadeddata",
                                "loadstart", "timeupdate", "progress",
                                "playing", "waiting", "canplay", "canplaythrough",
                                "seeking", "seeked", "emptied", "loadedmetadata",
                                "error", "suspend", "stalled",
@@ -1385,20 +1386,46 @@
                     }
 
                     let minHeightForControlBar = this._controlBarHeight;
                     let minWidthOnlyPlayPause = this._playButtonWidth + this._muteButtonWidth;
 
                     let videoHeight = isAudioOnly ? minHeightForControlBar : this.video.clientHeight;
                     let videoWidth = isAudioOnly ? minWidthAllControls : this.video.clientWidth;
 
-                    if ((this._overlayPlayButtonHeight + this._controlBarHeight) > videoHeight || this._overlayPlayButtonWidth > videoWidth)
+                    // Adapt the size of the controls to the size of the video
+                    if (this.video.readyState >= this.video.HAVE_METADATA) {
+                      if (!this.isAudioOnly && this.video.videoWidth && this.video.videoHeight) {
+                        var rect = this.video.getBoundingClientRect();
+                        var widthRatio = rect.width / this.video.videoWidth;
+                        var heightRatio = rect.height / this.video.videoHeight;
+                        var width = this.video.videoWidth * Math.min(widthRatio, heightRatio);
+
+                        this.controlsOverlay.setAttribute("scaled", true);
+                        this.controlsOverlay.style.width = width + "px";
+                        this.controlsSpacer.style.width = width + "px";
+                        this.controlBar.style.width = width + "px";
+                      } else {
+                        this.controlsOverlay.removeAttribute("scaled");
+                        this.controlsOverlay.style.width = "";
+                        this.controlsSpacer.style.width = "";
+                        this.controlBar.style.width = "";
+                      }
+                    }
+
+                    if ((this._overlayPlayButtonHeight + this._controlBarHeight) > videoHeight ||
+                        this._overlayPlayButtonWidth > videoWidth) {
                         this.clickToPlay.hidden = true;
-                    else if (this.clickToPlay.hidden && !this.video.played.length)
+                    } else if (this.clickToPlay.hidden &&
+                               !this.video.played.length &&
+                               this.video.paused) {
+                        // Check this.video.paused to handle when a video is
+                        // playing but hasn't processed any frames yet
                         this.clickToPlay.hidden = false;
+                    }
 
                     let size = "normal";
                     if (videoHeight < minHeightForControlBar)
                         size = "hidden";
                     else if (videoWidth < minWidthOnlyPlayPause)
                         size = "hidden";
                     else if (videoWidth < minWidthAllControls)
                         size = "small";
@@ -1417,16 +1444,17 @@
                     this.progressBar   = document.getAnonymousElementByAttribute(binding, "class", "progressBar");
                     this.bufferBar     = document.getAnonymousElementByAttribute(binding, "class", "bufferBar");
                     this.scrubber      = document.getAnonymousElementByAttribute(binding, "class", "scrubber");
                     this.scrubberThumb = document.getAnonymousElementByAttribute(this.scrubber, "class", "scale-thumb");
                     this.durationLabel = document.getAnonymousElementByAttribute(binding, "class", "durationLabel");
                     this.positionLabel = document.getAnonymousElementByAttribute(binding, "class", "positionLabel");
                     this.statusOverlay = document.getAnonymousElementByAttribute(binding, "class", "statusOverlay");
                     this.statsOverlay  = document.getAnonymousElementByAttribute(binding, "class", "statsOverlay");
+                    this.controlsOverlay = document.getAnonymousElementByAttribute(binding, "class", "controlsOverlay");
                     this.controlsSpacer     = document.getAnonymousElementByAttribute(binding, "class", "controlsSpacer");
                     this.clickToPlay        = document.getAnonymousElementByAttribute(binding, "class", "clickToPlay");
                     this.fullscreenButton   = document.getAnonymousElementByAttribute(binding, "class", "fullscreenButton");
                     this.volumeForeground   = document.getAnonymousElementByAttribute(binding, "anonid", "volumeForeground");
 
                     this.statsTable       = document.getAnonymousElementByAttribute(binding, "class", "statsTable");
                     this.stats.filename   = document.getAnonymousElementByAttribute(binding, "class", "statFilename");
                     this.stats.size       = document.getAnonymousElementByAttribute(binding, "class", "statSize");

--- a/toolkit/devtools/server/actors/webbrowser.js
+++ b/toolkit/devtools/server/actors/webbrowser.js
@@ -937,19 +937,25 @@ TabActor.prototype = {
    * the page.
    *
    * @param nsIDOMWindow aWindow
    *        The window object you want to check.
    * @return boolean
    *         True if the window.console object is native, or false otherwise.
    */
   hasNativeConsoleAPI: function BTA_hasNativeConsoleAPI(aWindow) {
-    // Do not expose WebConsoleActor function directly as it is always
-    // loaded after the BrowserTabActor
-    return WebConsoleActor.prototype.hasNativeConsoleAPI(aWindow);
+    let isNative = false;
+    try {
+      // We are very explicitly examining the "console" property of
+      // the non-Xrayed object here.
+      let console = aWindow.wrappedJSObject.console;
+      isNative = console instanceof aWindow.Console;
+    }
+    catch (ex) { }
+    return isNative;
   }
 };
 
 /**
  * The request types this actor can handle.
  */
 TabActor.prototype.requestTypes = {
   "attach": TabActor.prototype.onAttach,

--- a/toolkit/devtools/server/actors/webconsole.js
+++ b/toolkit/devtools/server/actors/webconsole.js
@@ -1,48 +1,54 @@
 /* -*- js2-basic-offset: 2; indent-tabs-mode: nil; -*- */
 /* vim: set ts=2 et sw=2 tw=80: */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 "use strict";
 
-let Cc = Components.classes;
-let Ci = Components.interfaces;
-let Cu = Components.utils;
+let {Cc, Ci, Cu} = require("chrome");
 
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 
-let devtools = Cu.import("resource://gre/modules/devtools/Loader.jsm", {}).devtools;
+let { DebuggerServer, ActorPool } = Cu.import("resource://gre/modules/devtools/dbg-server.jsm", {});
+// Symbols from script.js
+let { ThreadActor, EnvironmentActor, ObjectActor, LongStringActor } = DebuggerServer;
+
+Cu.import("resource://gre/modules/jsdebugger.jsm");
+addDebuggerToGlobal(this);
 
 XPCOMUtils.defineLazyModuleGetter(this, "Services",
                                   "resource://gre/modules/Services.jsm");
 XPCOMUtils.defineLazyGetter(this, "NetworkMonitor", () => {
-  return devtools.require("devtools/toolkit/webconsole/network-monitor")
+  return require("devtools/toolkit/webconsole/network-monitor")
          .NetworkMonitor;
 });
 XPCOMUtils.defineLazyGetter(this, "NetworkMonitorChild", () => {
-  return devtools.require("devtools/toolkit/webconsole/network-monitor")
+  return require("devtools/toolkit/webconsole/network-monitor")
          .NetworkMonitorChild;
 });
 XPCOMUtils.defineLazyGetter(this, "ConsoleProgressListener", () => {
-  return devtools.require("devtools/toolkit/webconsole/network-monitor")
+  return require("devtools/toolkit/webconsole/network-monitor")
          .ConsoleProgressListener;
 });
+XPCOMUtils.defineLazyGetter(this, "events", () => {
+  return require("sdk/event/core");
+});
 
 for (let name of ["WebConsoleUtils", "ConsoleServiceListener",
                   "ConsoleAPIListener", "JSTermHelpers", "JSPropertyProvider",
                   "ConsoleReflowListener"]) {
   Object.defineProperty(this, name, {
     get: function(prop) {
       if (prop == "WebConsoleUtils") {
         prop = "Utils";
       }
-      return devtools.require("devtools/toolkit/webconsole/utils")[prop];
+      return require("devtools/toolkit/webconsole/utils")[prop];
     }.bind(null, name),
     configurable: true,
     enumerable: true
   });
 }
 
 
 /**
@@ -1823,11 +1829,17 @@ NetworkEventActor.prototype.requestTypes
   "getRequestCookies": NetworkEventActor.prototype.onGetRequestCookies,
   "getRequestPostData": NetworkEventActor.prototype.onGetRequestPostData,
   "getResponseHeaders": NetworkEventActor.prototype.onGetResponseHeaders,
   "getResponseCookies": NetworkEventActor.prototype.onGetResponseCookies,
   "getResponseContent": NetworkEventActor.prototype.onGetResponseContent,
   "getEventTimings": NetworkEventActor.prototype.onGetEventTimings,
 };
 
-DebuggerServer.addTabActor(WebConsoleActor, "consoleActor");
-DebuggerServer.addGlobalActor(WebConsoleActor, "consoleActor");
+exports.register = function(handle) {
+  handle.addGlobalActor(WebConsoleActor, "consoleActor");
+  handle.addTabActor(WebConsoleActor, "consoleActor");
+};
 
+exports.unregister = function(handle) {
+  handle.removeGlobalActor(WebConsoleActor, "consoleActor");
+  handle.removeTabActor(WebConsoleActor, "consoleActor");
+};

--- a/toolkit/devtools/server/main.js
+++ b/toolkit/devtools/server/main.js
@@ -355,34 +355,34 @@ var DebuggerServer = {
 
   /**
    * Install tab actors in documents loaded in content childs
    */
   addChildActors: function () {
     // In case of apps being loaded in parent process, DebuggerServer is already
     // initialized and browser actors are already loaded,
     // but childtab.js hasn't been loaded yet.
-    if (!("WebConsoleActor" in this)) {
+    if (!DebuggerServer.tabActorFactories.hasOwnProperty("consoleActor")) {
       this.addTabActors();
     }
     // But webbrowser.js and childtab.js aren't loaded from shell.js.
     if (!("BrowserTabActor" in this)) {
       this.addActors("resource://gre/modules/devtools/server/actors/webbrowser.js");
     }
     if (!("ContentActor" in this)) {
       this.addActors("resource://gre/modules/devtools/server/actors/childtab.js");
     }
   },
 
   /**
    * Install tab actors.
    */
   addTabActors: function() {
     this.addActors("resource://gre/modules/devtools/server/actors/script.js");
-    this.addActors("resource://gre/modules/devtools/server/actors/webconsole.js");
+    this.registerModule("devtools/server/actors/webconsole");
     this.registerModule("devtools/server/actors/inspector");
     this.registerModule("devtools/server/actors/call-watcher");
     this.registerModule("devtools/server/actors/canvas");
     this.registerModule("devtools/server/actors/webgl");
     this.registerModule("devtools/server/actors/webaudio");
     this.registerModule("devtools/server/actors/stylesheets");
     this.registerModule("devtools/server/actors/styleeditor");
     this.registerModule("devtools/server/actors/storage");