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 b48b3bdadd07981cddd2ca19cd770a83080b898d..8c4093c6a7a8e263e0bc423366dca7db77c91e52 100644
--- a/media/gpu/ipc/common/media_messages.h
+++ b/media/gpu/ipc/common/media_messages.h
@@ -13,6 +13,7 @@
 #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
@@ -107,13 +108,16 @@ IPC_MESSAGE_ROUTED5(AcceleratedVideoDecoderHostMsg_ProvidePictureBuffers,
 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_DismissPictureBuffer,
                     int32_t) /* Picture buffer ID */
 
+typedef std::pair<bool, bool> BoolPair;
+
 // 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 */
+                    int32_t,         /* Picture buffer ID */
+                    int32_t,         /* Bitstream buffer ID */
+                    gfx::Rect,       /* Visible rectangle */
+                    gfx::ColorSpace, /* color space */
+                    BoolPair)        /* Buffer is HW overlay capable */

[sandersd (OOO until July 31), 2016/09/16 21:54:13]

I'm going to call out that I don't like this, even though I won't actually make
you fix it.

[hubbe, 2016/09/21 22:04:26]

Acknowledged.

+                                     /* VDA updated picture size */
 
 // Confirm decoder has been flushed.
 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_FlushDone)