Attach color space information to hardware decoded NV12 video frames.

media/gpu/ipc/common/media_messages.h

Index: media/gpu/ipc/common/media_messages.h
diff --git a/media/gpu/ipc/common/media_messages.h b/media/gpu/ipc/common/media_messages.h
index a841f1fc89cac9aeb1952865936c65c7b0cf5b3a..f7bf754f070606258e682f7125c4679aac081aef 100644
--- a/media/gpu/ipc/common/media_messages.h
+++ b/media/gpu/ipc/common/media_messages.h
@@ -16,6 +16,7 @@
 #include "media/video/jpeg_decode_accelerator.h"
 #include "media/video/video_decode_accelerator.h"
 #include "media/video/video_encode_accelerator.h"
+#include "ui/gfx/ipc/color/gfx_param_traits.h"
 #include "ui/gfx/ipc/gfx_param_traits.h"
 
 #define IPC_MESSAGE_START MediaMsgStart
@@ -45,6 +46,15 @@ IPC_STRUCT_BEGIN(AcceleratedVideoEncoderMsg_Encode_Params2)
   IPC_STRUCT_MEMBER(bool, force_keyframe)
 IPC_STRUCT_END()
 
+IPC_STRUCT_BEGIN(AcceleratedVideoDecoderHostMsg_PictureReady_Params)
+  IPC_STRUCT_MEMBER(int32_t, picture_buffer_id)
+  IPC_STRUCT_MEMBER(int32_t, bitstream_buffer_id)
+  IPC_STRUCT_MEMBER(gfx::Rect, visible_rect)
+  IPC_STRUCT_MEMBER(gfx::ColorSpace, color_space)
+  IPC_STRUCT_MEMBER(bool, allow_overlay)
+  IPC_STRUCT_MEMBER(bool, size_changed)
+IPC_STRUCT_END()
+
 //------------------------------------------------------------------------------
 // Utility Messages
 
@@ -120,12 +130,8 @@ IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_DismissPictureBuffer,
                     int32_t) /* Picture buffer ID */
 
 // Decoder reports that a picture is ready.
-IPC_MESSAGE_ROUTED5(AcceleratedVideoDecoderHostMsg_PictureReady,
-                    int32_t,   /* Picture buffer ID */
-                    int32_t,   /* Bitstream buffer ID */
-                    gfx::Rect, /* Visible rectangle */
-                    bool,      /* Buffer is HW overlay capable */
-                    bool)      /* VDA updated picture size */
+IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_PictureReady,
+                    AcceleratedVideoDecoderHostMsg_PictureReady_Params)
 
 // Confirm decoder has been flushed.
 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_FlushDone)