Add an additional VDA::Flush() mode to return all allocated buffers.

content/common/gpu/client/gpu_video_decode_accelerator_host.cc

 // 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.
 
 #include "content/common/gpu/client/gpu_video_decode_accelerator_host.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/thread_task_runner_handle.h"
@@ skipping 143 matching lines @@
 
 void GpuVideoDecodeAcceleratorHost::ReusePictureBuffer(
     int32_t picture_buffer_id) {
   DCHECK(CalledOnValidThread());
   if (!channel_)
     return;
   Send(new AcceleratedVideoDecoderMsg_ReusePictureBuffer(
       decoder_route_id_, picture_buffer_id));
 }
 
-void GpuVideoDecodeAcceleratorHost::Flush() {
+void GpuVideoDecodeAcceleratorHost::Flush(bool return_buffers) {
   DCHECK(CalledOnValidThread());
   if (!channel_)
     return;
-  Send(new AcceleratedVideoDecoderMsg_Flush(decoder_route_id_));
+  Send(new AcceleratedVideoDecoderMsg_Flush(decoder_route_id_, return_buffers));
 }
 
 void GpuVideoDecodeAcceleratorHost::Reset() {
   DCHECK(CalledOnValidThread());
   if (!channel_)
     return;
   Send(new AcceleratedVideoDecoderMsg_Reset(decoder_route_id_));
 }
 
 void GpuVideoDecodeAcceleratorHost::Destroy() {
@@ skipping 95 matching lines @@
   weak_this_factory_.InvalidateWeakPtrs();
 
   // Client::NotifyError() may Destroy() |this|, so calling it needs to be the
   // last thing done on this stack!
   media::VideoDecodeAccelerator::Client* client = NULL;
   std::swap(client, client_);
   client->NotifyError(static_cast<media::VideoDecodeAccelerator::Error>(error));
 }
 
 }  // namespace content