Attach color space information to hardware decoded NV12 video frames.

media/gpu/dxva_picture_buffer_win.h

Index: media/gpu/dxva_picture_buffer_win.h
diff --git a/media/gpu/dxva_picture_buffer_win.h b/media/gpu/dxva_picture_buffer_win.h
index 653a7e7f665df640c1af9b40b3391c62967daa0e..5eb8e323c968b9f184747d14b609260e44197891 100644
--- a/media/gpu/dxva_picture_buffer_win.h
+++ b/media/gpu/dxva_picture_buffer_win.h
@@ -52,6 +52,11 @@ class DXVAPictureBuffer {
   gfx::Size size() const { return picture_buffer_.size(); }
   void set_bound();
 
+  const gfx::ColorSpace& color_space() const { return color_space_; }
+  void set_color_space(const gfx::ColorSpace& color_space) {
+    color_space_ = color_space;
+  }
+
   bool waiting_to_reuse() const { return state_ == WAITING_TO_REUSE; }
   virtual gl::GLFence* reuse_fence();
 
@@ -66,6 +71,7 @@ class DXVAPictureBuffer {
 
   State state_ = UNUSED;
   PictureBuffer picture_buffer_;
+  gfx::ColorSpace color_space_;
 
   DISALLOW_COPY_AND_ASSIGN(DXVAPictureBuffer);
 };