Revert "Revert r253110: "Enable webrtc for webview.""

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 1308a1d5a20e6efd81f13d27dd816df342fbff3b..7a9430189f75177359201147742e0e8122034d1c 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -693,17 +693,10 @@
           'enable_autofill_dialog%': 1
         }],
 
-        ['OS=="android" and android_webview_build==0', {
+        ['OS=="android"', {
           'enable_webrtc%': 1,
         }],
 
-        # Disable WebRTC for building WebView as part of Android system.
-        # TODO(boliu): Decide if we want WebRTC, and if so, also merge
-        # the necessary third_party repositories.
-        ['OS=="android" and android_webview_build==1', {
-          'enable_webrtc%': 0,
-        }],
-
         ['OS=="ios"', {
           'disable_ftp_support%': 1,
           'enable_automation%': 0,