Enable deferred rendering strategy for Android WebView for Spitzer

media/gpu/android_video_decode_accelerator.h

 // Copyright (c) 2013 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_GPU_ANDROID_VIDEO_DECODE_ACCELERATOR_H_
 #define MEDIA_GPU_ANDROID_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <stdint.h>
 
 #include <list>
@@ skipping 330 matching lines @@
   // components need to be reset upon EOS to decode a later stream. Input state
   // (e.g. queued BitstreamBuffers) is not reset, as input following an EOS
   // is still valid and should be processed.
   void ResetCodecState();
 
   // Registered to be called when surfaces are being destroyed. If |surface_id|
   // is our surface, we should release the MediaCodec before returning from
   // this.
   void OnDestroyingSurface(int surface_id);
 
-  // Return true if and only if we should use deferred rendering.
+  // Returns true if and only if we should use deferred rendering.
   static bool UseDeferredRenderingStrategy(
       const gpu::GpuPreferences& gpu_preferences);
 
+  // Returns true if frame's COPY_REQUIRED flag needs to be set.
+  static bool RequiresTextureCopy(const gpu::GpuPreferences& gpu_preferences);
+
   // Used to DCHECK that we are called on the correct thread.
   base::ThreadChecker thread_checker_;
 
   // To expose client callbacks from VideoDecodeAccelerator.
   Client* client_;
 
   // Callback to set the correct gl context.
   MakeGLContextCurrentCallback make_context_current_cb_;
 
   // Callback to get the GLES2Decoder instance.
@@ skipping 102 matching lines @@
 
   // WeakPtrFactory for posting tasks back to |this|.
   base::WeakPtrFactory<AndroidVideoDecodeAccelerator> weak_this_factory_;
 
   friend class AndroidVideoDecodeAcceleratorTest;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_GPU_ANDROID_VIDEO_DECODE_ACCELERATOR_H_