Attach color space information to hardware decoded NV12 video frames.

media/video/picture.h

Index: media/video/picture.h
diff --git a/media/video/picture.h b/media/video/picture.h
index 1da3fdaa41fff864f348d343586e2858f49eda8e..56d47609fdde6f35a848b067a97110373b5c1020 100644
--- a/media/video/picture.h
+++ b/media/video/picture.h
@@ -11,6 +11,7 @@
 
 #include "gpu/command_buffer/common/mailbox.h"
 #include "media/base/media_export.h"
+#include "ui/gfx/color_space.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 
@@ -73,6 +74,7 @@ class MEDIA_EXPORT Picture {
   Picture(int32_t picture_buffer_id,
           int32_t bitstream_buffer_id,
           const gfx::Rect& visible_rect,
+          const gfx::ColorSpace& color_space,
           bool allow_overlay);
 
   // Returns the id of the picture buffer where this picture is contained.
@@ -85,6 +87,9 @@ class MEDIA_EXPORT Picture {
     bitstream_buffer_id_ = bitstream_buffer_id;
   }
 
+  // Returns the color space of the picture.
+  const gfx::ColorSpace& color_space() const { return color_space_; }
+
   // Returns the visible rectangle of the picture. Its size may be smaller
   // than the size of the PictureBuffer, as it is the only visible part of the
   // Picture contained in the PictureBuffer.
@@ -104,6 +109,7 @@ class MEDIA_EXPORT Picture {
   int32_t picture_buffer_id_;
   int32_t bitstream_buffer_id_;
   gfx::Rect visible_rect_;
+  gfx::ColorSpace color_space_;
   bool allow_overlay_;
   bool size_changed_;
 };