Reland: Use GpuMemoryBufferVideoFramePool for WebMediaPlayerMS and MediaStreamVideoRendererSink

media/renderers/mock_gpu_memory_buffer_video_frame_pool.h

+// Copyright 2015 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 MEDIA_RENDERERS_MOCK_GPU_MEMORY_BUFFER_VIDEO_FRAME_POOL_H_
+#define MEDIA_RENDERERS_MOCK_GPU_MEMORY_BUFFER_VIDEO_FRAME_POOL_H_
+
+#include "base/callback.h"
+#include "media/video/gpu_memory_buffer_video_frame_pool.h"
+
+namespace media {
+
+class MockGpuMemoryBufferVideoFramePool : public GpuMemoryBufferVideoFramePool {
+ public:
+  MockGpuMemoryBufferVideoFramePool(std::vector<base::Closure>* frame_ready_cbs)
+      : frame_ready_cbs_(frame_ready_cbs) {}
+  void MaybeCreateHardwareFrame(const scoped_refptr<VideoFrame>& video_frame,
+                                const FrameReadyCB& frame_ready_cb) override;
+
+ private:
+  std::vector<base::Closure>* frame_ready_cbs_;
+};
+
+}  // namespace media
+
+#endif  // MEDIA_RENDERERS_MOCK_GPU_MEMORY_BUFFER_VIDEO_FRAME_POOL_H_