GPU compositing surface handle is no longer sent to renderer process.

content/browser/renderer_host/browser_render_process_host.h

 // Copyright (c) 2011 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_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_H_
 #pragma once
 
 #include <map>
 #include <queue>
@@ skipping 42 matching lines @@
   virtual bool WaitForUpdateMsg(int render_widget_id,
                                 const base::TimeDelta& max_delay,
                                 IPC::Message* msg);
   virtual void ReceivedBadMessage();
   virtual void WidgetRestored();
   virtual void WidgetHidden();
   virtual int VisibleWidgetCount() const;
   virtual bool FastShutdownIfPossible();
   virtual base::ProcessHandle GetHandle();
   virtual TransportDIB* GetTransportDIB(TransportDIB::Id dib_id);
+  virtual void SetCompositingSurface(
+      int render_widget_id,
+      gfx::PluginWindowHandle compositing_surface);
 
   // IPC::Channel::Sender via RenderProcessHost.
   virtual bool Send(IPC::Message* msg);
 
   // IPC::Channel::Listener via RenderProcessHost.
   virtual bool OnMessageReceived(const IPC::Message& msg);
   virtual void OnChannelConnected(int32 peer_pid);
   virtual void OnChannelError();
 
   // ChildProcessLauncher::Client implementation.
@@ skipping 66 matching lines @@
   // Messages we queue while waiting for the process handle.  We queue them here
   // instead of in the channel so that we ensure they're sent after init related
   // messages that are sent once the process handle is available.  This is
   // because the queued messages may have dependencies on the init messages.
   std::queue<IPC::Message*> queued_messages_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserRenderProcessHost);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_H_