Convert plugin and GPU process to brokered handle duplication.

content/common/gpu/media/dxva_video_decode_accelerator.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_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <d3d9.h>
 #include <dxva2api.h>
 #include <list>
@@ skipping 21 matching lines @@
  public:
   enum State {
     kUninitialized,   // un-initialized.
     kNormal,          // normal playing state.
     kResetting,       // upon received Reset(), before ResetDone()
     kEosDrain,        // upon input EOS received.
     kStopped,         // upon output EOS received.
   };
 
   // Does not take ownership of |client| which must outlive |*this|.
-  DXVAVideoDecodeAccelerator(
-      media::VideoDecodeAccelerator::Client* client,
-      base::ProcessHandle renderer_process);
+  explicit DXVAVideoDecodeAccelerator(
+      media::VideoDecodeAccelerator::Client* client);
   virtual ~DXVAVideoDecodeAccelerator();
 
   // media::VideoDecodeAccelerator implementation.
   virtual bool Initialize(media::VideoCodecProfile) OVERRIDE;
   virtual void Decode(const media::BitstreamBuffer& bitstream_buffer) OVERRIDE;
   virtual void AssignPictureBuffers(
       const std::vector<media::PictureBuffer>& buffers) OVERRIDE;
   virtual void ReusePictureBuffer(int32 picture_buffer_id) OVERRIDE;
   virtual void Flush() OVERRIDE;
   virtual void Reset() OVERRIDE;
@@ skipping 125 matching lines @@
   // The key is the picture buffer id.
   typedef std::map<int32, linked_ptr<DXVAPictureBuffer> > OutputBuffers;
   OutputBuffers output_picture_buffers_;
 
   // Set to true if we requested picture slots from the client.
   bool pictures_requested_;
 
   // Contains the id of the last input buffer received from the client.
   int32 last_input_buffer_id_;
 
-  // Handle to the renderer process.
-  base::ProcessHandle renderer_process_;
-
   // Ideally the reset token would be a stack variable which is used while
   // creating the device manager. However it seems that the device manager
   // holds onto the token and attempts to access it if the underlying device
   // changes.
   // TODO(ananta): This needs to be verified.
   static uint32 dev_manager_reset_token_;
 
   // Counter which holds the number of input packets before a successful
   // decode.
   int inputs_before_decode_;
 
   // Set to true if all necessary initialization needed before the GPU process
   // is sandboxed is done.
   // This includes the following:
   // 1. All required decoder dlls were successfully loaded.
   // 2. The device manager initialization completed.
   static bool pre_sandbox_init_done_;
 };
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_