Chromecast: allow platform to add custom native bindings.

chromecast/renderer/cast_content_renderer_client.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chromecast/renderer/cast_content_renderer_client.h"
 
 #include <sys/sysinfo.h>
 
 #include "base/command_line.h"
 #include "base/memory/memory_pressure_listener.h"
@@ skipping 60 matching lines @@
   ~CastRenderViewObserver() override {}
 
   void DidClearWindowObject(blink::WebLocalFrame* frame) override;
 };
 
 CastRenderViewObserver::CastRenderViewObserver(content::RenderView* render_view)
     : content::RenderViewObserver(render_view) {
 }
 
 void CastRenderViewObserver::DidClearWindowObject(blink::WebLocalFrame* frame) {
-  // Native bindings go here.
+  PlatformAddRendererNativeBindings(frame);
 }
 
 }  // namespace
 
 CastContentRendererClient::CastContentRendererClient() {
 }
 
 CastContentRendererClient::~CastContentRendererClient() {
 }
 
@@ skipping 71 matching lines @@
     closure.Run();
     return;
   }
 
   // Lifetime is tied to |render_frame| via content::RenderFrameObserver.
   new CastMediaLoadDeferrer(render_frame, closure);
 }
 
 }  // namespace shell
 }  // namespace chromecast