Run VDA::Decode on GPU IO thread if VDA supports it.

content/common/gpu/media/android_video_decode_accelerator.h

 // Copyright (c) 2013 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_ANDROID_VIDEO_DECODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_ANDROID_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <dlfcn.h>
 #include <list>
 #include <map>
@@ skipping 83 matching lines @@
 
   // Notifies the client that the decoder was reset.
   void NotifyResetDone();
 
   // Notifies about decoding errors.
   void NotifyError(media::VideoDecodeAccelerator::Error error);
 
   // Used to DCHECK that we are called on the correct thread.
   base::ThreadChecker thread_checker_;
 
+  // GPU child message loop proxy.
+  scoped_refptr<base::MessageLoopProxy> child_message_loop_;
+
   // To expose client callbacks from VideoDecodeAccelerator.
   Client* client_;
 
   // Callback to set the correct gl context.
   base::Callback<bool(void)> make_context_current_;
 
   // Codec type. Used when we configure media codec.
   media::VideoCodec codec_;
 
   // The current state of this class. For now, this is used only for setting
@@ skipping 48 matching lines @@
 
   // Used for copy the texture from |surface_texture_| to picture buffers.
   scoped_ptr<gpu::CopyTextureCHROMIUMResourceManager> copier_;
 
   friend class AndroidVideoDecodeAcceleratorTest;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_ANDROID_VIDEO_DECODE_ACCELERATOR_H_