Move MessagePort implementation from android_webview to content

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 8880b8d16d461c2e62b573e3bae7c445ab71a2b5..ddaccde68c95c6a1be976a766edcb63e5626331e 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -218,6 +218,7 @@
 #if defined(OS_ANDROID)
 #include <cpu-features.h>
 
+#include "content/renderer/android/app_web_message_port_client.h"
 #include "content/renderer/java/gin_java_bridge_dispatcher.h"
 #include "content/renderer/media/android/renderer_media_player_manager.h"
 #include "content/renderer/media/android/renderer_surface_view_manager.h"
@@ -1226,6 +1227,10 @@ void RenderFrameImpl::Initialize() {
   // embedder can call GetWebFrame on any RenderFrame.
   GetContentClient()->renderer()->RenderFrameCreated(this);
 
+#if defined(OS_ANDROID)
+  new AppWebMessagePortClient(this);
+#endif
+
   RenderThreadImpl* render_thread = RenderThreadImpl::current();
   // render_thread may be NULL in tests.
   InputHandlerManager* input_handler_manager =