Start using deferred rendering for WebView on L.

content/common/gpu/media/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 CONTENT_COMMON_GPU_MEDIA_ANDROID_VIDEO_DECODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_ANDROID_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <stdint.h>
 
 #include <list>
@@ skipping 202 matching lines @@
   // is still valid and should be processed.
   void ResetCodecState();
 
   // Dismiss all |output_picture_buffers_| in preparation for requesting new
   // ones.
   void DismissPictureBuffers();
 
   // Return true if and only if we should use deferred rendering.
   static bool UseDeferredRenderingStrategy();
 
+  // Return true if and only if the deferred strategy requires that the
+  // resulting VideoFrames have COPY_REQUIRED set.  This is for WebView.
+  static bool DeferredStrategyNeedsBrowserCopy();
+
+  // Return true if and only if SurfaceTexture supports user-provided threads
+  // for OnFrameAvailable callbacks.
+  static bool IsCallbackThreadable();
+
   // 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.
   base::Callback<bool(void)> make_context_current_;
 
   // Codec type. Used when we configure media codec.
@@ skipping 91 matching lines @@
 
   // WeakPtrFactory for posting tasks back to |this|.
   base::WeakPtrFactory<AndroidVideoDecodeAccelerator> weak_this_factory_;
 
   friend class AndroidVideoDecodeAcceleratorTest;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_ANDROID_VIDEO_DECODE_ACCELERATOR_H_