cc: Set read lock fences required for YUV native video frames.

cc/resources/video_resource_updater.h

 // Copyright 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 CC_RESOURCES_VIDEO_RESOURCE_UPDATER_H_
 #define CC_RESOURCES_VIDEO_RESOURCE_UPDATER_H_
 
 #include <list>
 #include <vector>
 
@@ skipping 35 matching lines @@
 #endif  // defined(VIDEO_HOLE)
 
     // TODO(danakj): Remove this and abstract TextureMailbox into
     // "ExternalResource" that can hold a hardware or software backing.
     SOFTWARE_RESOURCE
   };
 
   ResourceType type;
   std::vector<TextureMailbox> mailboxes;
   std::vector<ReleaseCallbackImpl> release_callbacks;
+  bool read_lock_fences_enabled;
 
   // TODO(danakj): Remove these too.
   std::vector<unsigned> software_resources;
   ReleaseCallbackImpl software_release_callback;
 
   VideoFrameExternalResources();
   ~VideoFrameExternalResources();
 };
 
 // VideoResourceUpdater is used by the video system to produce frame content as
@@ skipping 71 matching lines @@
   // Recycle resources so that we can reduce the number of allocations and
   // data transfers.
   ResourceList all_resources_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoResourceUpdater);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_VIDEO_RESOURCE_UPDATER_H_