Improve GL shader YUV adjustment.

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 <stddef.h>
 #include <stdint.h>
 
@@ skipping 49 matching lines @@
   bool read_lock_fences_enabled;
 
   // TODO(danakj): Remove these too.
   std::vector<unsigned> software_resources;
   ReleaseCallbackImpl software_release_callback;
 
   // Used by hardware textures which do not return values in the 0-1 range.
   // After a lookup, subtract offset and multiply by multiplier.
   float offset;
   float multiplier;
+  uint32_t bits_per_channel;
 
   VideoFrameExternalResources();
   VideoFrameExternalResources(const VideoFrameExternalResources& other);
   ~VideoFrameExternalResources();
 };
 
 // VideoResourceUpdater is used by the video system to produce frame content as
 // resources consumable by the compositor.
 class CC_EXPORT VideoResourceUpdater
     : public base::SupportsWeakPtr<VideoResourceUpdater> {
@@ skipping 87 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_