--- a/browser/config/mozconfigs/linux32/common-opt
+++ b/browser/config/mozconfigs/linux32/common-opt
@@ -1,13 +1,14 @@
 # This file is sourced by nightly, beta, and release mozconfigs.
 
 ac_add_options --enable-update-channel=${MOZ_UPDATE_CHANNEL}
 ac_add_options --enable-update-packaging
 ac_add_options --with-google-api-keyfile=/builds/gapi.data
+ac_add_options --with-google-oauth-api-keyfile=/builds/google-oauth-api.key
 
 . $topsrcdir/build/unix/mozconfig.linux32
 
 # Needed to enable breakpad in application.ini
 export MOZILLA_OFFICIAL=1
 
 export MOZ_TELEMETRY_REPORTING=1
 

--- a/browser/config/mozconfigs/linux64/common-opt
+++ b/browser/config/mozconfigs/linux64/common-opt
@@ -1,13 +1,14 @@
 # This file is sourced by the nightly, beta, and release mozconfigs.
 
 ac_add_options --enable-update-channel=${MOZ_UPDATE_CHANNEL}
 ac_add_options --enable-update-packaging
 ac_add_options --with-google-api-keyfile=/builds/gapi.data
+ac_add_options --with-google-oauth-api-keyfile=/builds/google-oauth-api.key
 
 . $topsrcdir/build/unix/mozconfig.linux
 
 # Needed to enable breakpad in application.ini
 export MOZILLA_OFFICIAL=1
 
 export MOZ_TELEMETRY_REPORTING=1
 

--- a/browser/config/mozconfigs/macosx-universal/common-opt
+++ b/browser/config/mozconfigs/macosx-universal/common-opt
@@ -3,16 +3,17 @@
 . $topsrcdir/build/macosx/universal/mozconfig
 
 # Universal builds override the default of browser (bug 575283 comment 29)
 ac_add_options --enable-application=browser
 
 ac_add_options --enable-update-channel=${MOZ_UPDATE_CHANNEL}
 ac_add_options --enable-update-packaging
 ac_add_options --with-google-api-keyfile=/builds/gapi.data
+ac_add_options --with-google-oauth-api-keyfile=/builds/google-oauth-api.key
 
 # Needed to enable breakpad in application.ini
 export MOZILLA_OFFICIAL=1
 
 export MOZ_TELEMETRY_REPORTING=1
 
 # Treat warnings as errors in directories with FAIL_ON_WARNINGS.
 ac_add_options --enable-warnings-as-errors

--- a/browser/config/mozconfigs/win32/common-opt
+++ b/browser/config/mozconfigs/win32/common-opt
@@ -9,16 +9,22 @@ ac_add_options --enable-require-all-d3dc
 
 if [ -f /c/builds/gapi.data ]; then
   _gapi_keyfile=/c/builds/gapi.data
 else
   _gapi_keyfile=/e/builds/gapi.data
 fi
 ac_add_options --with-google-api-keyfile=${_gapi_keyfile}
 
+if [ -f /c/builds/google-oauth-api.key ]; then
+  _google_oauth_api_keyfile=/c/builds/google-oauth-api.key
+else
+  _google_oauth_api_keyfile=/e/builds/google-oauth-api.key
+fi
+ac_add_options --with-google-api-keyfile=${_google_oauth_api_keyfile}
 
 # Needed to enable breakpad in application.ini
 export MOZILLA_OFFICIAL=1
 
 export MOZ_TELEMETRY_REPORTING=1
 
 if test "$PROCESSOR_ARCHITECTURE" = "AMD64" -o "$PROCESSOR_ARCHITEW6432" = "AMD64"; then
   . $topsrcdir/build/win32/mozconfig.vs2010-win64

--- a/browser/config/mozconfigs/win64/common-opt
+++ b/browser/config/mozconfigs/win64/common-opt
@@ -7,15 +7,22 @@ ac_add_options --enable-update-packaging
 ac_add_options --enable-jemalloc
 if [ -f /c/builds/gapi.data ]; then
   _gapi_keyfile=/c/builds/gapi.data
 else
   _gapi_keyfile=/e/builds/gapi.data
 fi
 ac_add_options --with-google-api-keyfile=${_gapi_keyfile}
 
+if [ -f /c/builds/google-oauth-api.key ]; then
+  _google_oauth_api_keyfile=/c/builds/google-oauth-api.key
+else
+  _google_oauth_api_keyfile=/e/builds/google-oauth-api.key
+fi
+ac_add_options --with-google-api-keyfile=${_google_oauth_api_keyfile}
+
 # Needed to enable breakpad in application.ini
 export MOZILLA_OFFICIAL=1
 
 export MOZ_TELEMETRY_REPORTING=1
 
 # Package js shell.
 export MOZ_PACKAGE_JSSHELL=1