Revert of Revert of Remove threading from RendererGpuVideoAcceleratorFactories

media/cast/test/fake_gpu_video_accelerator_factories.h

Index: media/cast/test/fake_gpu_video_accelerator_factories.h
diff --git a/media/cast/test/fake_gpu_video_accelerator_factories.h b/media/cast/test/fake_gpu_video_accelerator_factories.h
index c4ed82556377bfb38c569c565530b8496ce784fb..aa43530290cacc36cff81ef6d8679ef7bfab64a9 100644
--- a/media/cast/test/fake_gpu_video_accelerator_factories.h
+++ b/media/cast/test/fake_gpu_video_accelerator_factories.h
@@ -39,16 +39,12 @@
   virtual void WaitSyncPoint(uint32 sync_point) OVERRIDE {}
 
   virtual void ReadPixels(uint32 texture_id,
-                          const gfx::Size& size,
+                          const gfx::Rect& visible_rect,
                           const SkBitmap& pixels) OVERRIDE {};
 
   virtual scoped_ptr<VideoDecodeAccelerator> CreateVideoDecodeAccelerator(
       VideoCodecProfile profile,
       VideoDecodeAccelerator::Client* client) OVERRIDE;
-
-  virtual void Abort() OVERRIDE {}
-
-  virtual bool IsAborted() OVERRIDE;
 
  private:
   friend class base::RefCountedThreadSafe<FakeGpuVideoAcceleratorFactories>;