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

content/common/gpu/media/fake_video_decode_accelerator.h

 // Copyright 2014 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_FAKE_VIDEO_DECODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_FAKE_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <stdint.h>
 
 #include <queue>
@@ skipping 15 matching lines @@
       gfx::GLContext* gl,
       gfx::Size size,
       const base::Callback<bool(void)>& make_context_current);
   ~FakeVideoDecodeAccelerator() override;
 
   bool Initialize(const Config& config, Client* client) override;
   void Decode(const media::BitstreamBuffer& bitstream_buffer) override;
   void AssignPictureBuffers(
       const std::vector<media::PictureBuffer>& buffers) override;
   void ReusePictureBuffer(int32_t picture_buffer_id) override;
-  void Flush() override;
+  void Flush(bool return_buffers) override;
   void Reset() override;
   void Destroy() override;
   bool CanDecodeOnIOThread() override;
 
  private:
   void DoPictureReady();
 
   // The message loop that created the class. Used for all callbacks. This
   // class expects all calls to this class to be on this message loop (not
   // checked).
@@ skipping 17 matching lines @@
 
   // The WeakPtrFactory for |weak_this_|.
   base::WeakPtrFactory<FakeVideoDecodeAccelerator> weak_this_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeVideoDecodeAccelerator);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_FAKE_VIDEO_DECODE_ACCELERATOR_H_