--- a/configure.in
+++ b/configure.in
@@ -3915,16 +3915,17 @@ if test -n "$MOZ_RTSP"; then
 fi
 USE_ARM_KUSER=
 BUILD_CTYPES=1
 MOZ_USE_NATIVE_POPUP_WINDOWS=
 MOZ_ANDROID_HISTORY=
 MOZ_WEBSMS_BACKEND=
 MOZ_ANDROID_BEAM=
 MOZ_LOCALE_SWITCHER=
+MOZ_ANDROID_SEARCH_ACTIVITY=
 ACCESSIBILITY=1
 MOZ_TIME_MANAGER=
 MOZ_PAY=
 MOZ_AUDIO_CHANNEL_MANAGER=
 NSS_NO_LIBPKIX=
 MOZ_CONTENT_SANDBOX=
 MOZ_CONTENT_SANDBOX_REPORTER=1
 JSGC_USE_EXACT_ROOTING=
@@ -4939,16 +4940,23 @@ fi
 dnl ========================================================
 dnl = Enable NFC permission on Android
 dnl ========================================================
 if test -n "$MOZ_ANDROID_BEAM"; then
     AC_DEFINE(MOZ_ANDROID_BEAM)
 fi
 
 dnl ========================================================
+dnl = Include Search Activity on Android
+dnl ========================================================
+if test -n "$MOZ_ANDROID_SEARCH_ACTIVITY"; then
+    AC_DEFINE(MOZ_ANDROID_SEARCH_ACTIVITY)
+fi
+
+dnl ========================================================
 dnl = Enable IPDL's "expensive" unit tests
 dnl ========================================================
 MOZ_IPDL_TESTS=
 
 MOZ_ARG_ENABLE_BOOL(ipdl-tests,
 [  --enable-ipdl-tests     Enable expensive IPDL tests],
     MOZ_IPDL_TESTS=1,
     MOZ_IPDL_TESTS=)
@@ -8466,16 +8474,17 @@ AC_SUBST(MOZ_D3DCOMPILER_XP_CAB)
 
 AC_SUBST(MOZ_METRO)
 
 AC_SUBST(MOZ_ANDROID_HISTORY)
 AC_SUBST(MOZ_WEBSMS_BACKEND)
 AC_SUBST(MOZ_ANDROID_BEAM)
 AC_SUBST(MOZ_LOCALE_SWITCHER)
 AC_SUBST(MOZ_DISABLE_GECKOVIEW)
+AC_SUBST(MOZ_ANDROID_SEARCH_ACTIVITY)
 AC_SUBST(ENABLE_STRIP)
 AC_SUBST(PKG_SKIP_STRIP)
 AC_SUBST(STRIP_FLAGS)
 AC_SUBST(USE_ELF_HACK)
 AC_SUBST(INCREMENTAL_LINKER)
 AC_SUBST(MOZ_COMPONENTS_VERSION_SCRIPT_LDFLAGS)
 AC_SUBST(MOZ_COMPONENT_NSPR_LIBS)
 

--- a/mobile/android/base/moz.build
+++ b/mobile/android/base/moz.build
@@ -522,17 +522,18 @@ ANDROID_RES_DIRS += [
     OBJDIR + '/res',
 ]
 
 ANDROID_GENERATED_RESFILES += [
     'res/raw/suggestedsites.json',
     'res/values/strings.xml',
 ]
 
-for var in ('MOZ_ANDROID_ANR_REPORTER', 'MOZ_LINKER_EXTRACT', 'MOZILLA_OFFICIAL', 'MOZ_DEBUG'):
+for var in ('MOZ_ANDROID_ANR_REPORTER', 'MOZ_LINKER_EXTRACT', 'MOZILLA_OFFICIAL', 'MOZ_DEBUG',
+            'MOZ_ANDROID_SEARCH_ACTIVITY'):
     if CONFIG[var]:
         DEFINES[var] = 1
 
 for var in ('MOZ_UPDATER', 'MOZ_PKG_SPECIAL'):
     if CONFIG[var]:
         DEFINES[var] = CONFIG[var]
 
 for var in ('ANDROID_PACKAGE_NAME', 'ANDROID_CPU_ARCH', 'CPU_ARCH',

--- a/mobile/android/confvars.sh
+++ b/mobile/android/confvars.sh
@@ -69,8 +69,11 @@ fi
 # Enable runtime locale switching.
 MOZ_LOCALE_SWITCHER=1
 
 # Enable second screen and casting support for external devices.
 MOZ_DEVICES=1
 
 # Enable second screen using native Android libraries
 MOZ_NATIVE_DEVICES=
+
+# Enable the Search Activity.
+MOZ_ANDROID_SEARCH_ACTIVITY=1