Convert plugin and GPU process to brokered handle duplication.

content/browser/gpu/gpu_process_host.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_BROWSER_GPU_GPU_PROCESS_HOST_H_
 #define CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_
 #pragma once
 
 #include <map>
 #include <queue>
@@ skipping 21 matching lines @@
 class GpuProcessHost : public content::BrowserChildProcessHostDelegate,
                        public IPC::Message::Sender,
                        public base::NonThreadSafe {
  public:
   enum GpuProcessKind {
     GPU_PROCESS_KIND_UNSANDBOXED,
     GPU_PROCESS_KIND_SANDBOXED
   };
 
   typedef base::Callback<void(const IPC::ChannelHandle&,
-                              base::ProcessHandle,
                               const content::GPUInfo&)>
       EstablishChannelCallback;
 
   typedef base::Callback<void(int32)> CreateCommandBufferCallback;
 
   static bool gpu_enabled() { return gpu_enabled_; }
 
   // Creates a new GpuProcessHost or gets an existing one, resulting in the
   // launching of a GPU process if required.  Returns null on failure. It
   // is not safe to store the pointer once control has returned to the message
@@ skipping 131 matching lines @@
   static bool gpu_enabled_;
 
   static bool hardware_gpu_enabled_;
 
   scoped_ptr<BrowserChildProcessHostImpl> process_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuProcessHost);
 };
 
 #endif  // CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_