Add LayerTreeHostClient::{will,did}UpdateLayer, report layer updates to DevTools

content/renderer/render_view_impl.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 392 matching lines @@
   virtual void show(WebKit::WebNavigationPolicy policy);
   virtual void runModal();
   virtual bool enterFullScreen();
   virtual void exitFullScreen();
   virtual bool requestPointerLock();
   virtual void requestPointerUnlock();
   virtual bool isPointerLocked();
   virtual void didActivateCompositor(int input_handler_identifier);
   virtual void didHandleGestureEvent(const WebKit::WebGestureEvent& event,
                                      bool event_cancelled) OVERRIDE;
+  virtual void initializeLayerTreeView() OVERRIDE;
 
   // WebKit::WebViewClient implementation --------------------------------------
 
   virtual WebKit::WebView* createView(
       WebKit::WebFrame* creator,
       const WebKit::WebURLRequest& request,
       const WebKit::WebWindowFeatures& features,
       const WebKit::WebString& frame_name,
       WebKit::WebNavigationPolicy policy);
   virtual WebKit::WebWidget* createPopupMenu(WebKit::WebPopupType popup_type);
@@ skipping 1134 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_