Made full screen video with DevTools not flash black on Android.

content/common/gpu/media/android_copying_backing_strategy.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 CONTENT_COMMON_GPU_MEDIA_ANDROID_COPYING_BACKING_STRATEGY_H_
 #define CONTENT_COMMON_GPU_MEDIA_ANDROID_COPYING_BACKING_STRATEGY_H_
 
 #include <stdint.h>
 
 #include "base/compiler_specific.h"
@@ skipping 19 matching lines @@
  public:
   explicit AndroidCopyingBackingStrategy(AVDAStateProvider* state_provider);
   ~AndroidCopyingBackingStrategy() override;
 
   // AndroidVideoDecodeAccelerator::BackingStrategy
   gfx::ScopedJavaSurface Initialize(int surface_view_id) override;
   void Cleanup(bool have_context,
                const AndroidVideoDecodeAccelerator::OutputBufferMap&) override;
   scoped_refptr<gfx::SurfaceTexture> GetSurfaceTexture() const override;
   uint32_t GetTextureTarget() const override;
+  gfx::Size GetPictureBufferSize() const override;
   void UseCodecBufferForPictureBuffer(int32_t codec_buffer_index,
                                       const media::PictureBuffer&) override;
   void CodecChanged(
       media::VideoCodecBridge*,
       const AndroidVideoDecodeAccelerator::OutputBufferMap&) override;
   void OnFrameAvailable() override;
   bool ArePicturesOverlayable() override;
   void UpdatePictureBufferSize(media::PictureBuffer* picture_buffer,
                                const gfx::Size& new_size) override;
 
  private:
   // Used for copy the texture from surface texture to picture buffers.
   scoped_ptr<gpu::CopyTextureCHROMIUMResourceManager> copier_;
 
   AVDAStateProvider* state_provider_;
 
   // A container of texture. Used to set a texture to |media_codec_|.
   scoped_refptr<gfx::SurfaceTexture> surface_texture_;
 
   // The texture id which is set to |surface_texture_|.
   uint32_t surface_texture_id_;
 
   media::VideoCodecBridge* media_codec_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_ANDROID_COPYING_BACKING_STRATEGY_H_