chromeos: decode video into NV12 format instead of RGBA in vaapi decoder

ui/gfx/native_pixmap.h

 // Copyright 2014 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 UI_GFX_NATIVE_PIXMAP_H_
 #define UI_GFX_NATIVE_PIXMAP_H_
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ skipping 14 matching lines @@
   NativePixmap() {}
 
   virtual void* /* EGLClientBuffer */ GetEGLClientBuffer() const = 0;
   virtual bool AreDmaBufFdsValid() const = 0;
   virtual size_t GetDmaBufFdCount() const = 0;
   virtual int GetDmaBufFd(size_t plane) const = 0;
   virtual int GetDmaBufPitch(size_t plane) const = 0;
   virtual int GetDmaBufOffset(size_t plane) const = 0;
   virtual uint64_t GetDmaBufModifier(size_t plane) const = 0;
   virtual gfx::BufferFormat GetBufferFormat() const = 0;
+  virtual gfx::BufferUsage GetBufferUsage() const = 0;
   virtual gfx::Size GetBufferSize() const = 0;
 
   // Sets the overlay plane to switch to at the next page flip.
   // |widget| specifies the screen to display this overlay plane on.
   // |plane_z_order| specifies the stacking order of the plane relative to the
   // main framebuffer located at index 0.
   // |plane_transform| specifies how the buffer is to be transformed during
   // composition.
   // |display_bounds| specify where it is supposed to be on the screen.
   // |crop_rect| specifies the region within the buffer to be placed
@@ skipping 25 matching lines @@
 
  private:
   friend class base::RefCountedThreadSafe<NativePixmap>;
 
   DISALLOW_COPY_AND_ASSIGN(NativePixmap);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_NATIVE_PIXMAP_H_