Attach color space information to hardware decoded NV12 video frames.

media/gpu/vaapi_video_decode_accelerator.cc

Index: media/gpu/vaapi_video_decode_accelerator.cc
diff --git a/media/gpu/vaapi_video_decode_accelerator.cc b/media/gpu/vaapi_video_decode_accelerator.cc
index 1d986fc826794efc63a40e6520c864d1a9d0cc0f..15a8cbdc0387a18cbc3c3aeaccc6bc170355f5e9 100644
--- a/media/gpu/vaapi_video_decode_accelerator.cc
+++ b/media/gpu/vaapi_video_decode_accelerator.cc
@@ -432,9 +432,10 @@ void VaapiVideoDecodeAccelerator::OutputPicture(
   // TODO(posciak): Use visible size from decoder here instead
   // (crbug.com/402760). Passing (0, 0) results in the client using the
   // visible size extracted from the container instead.
+  // TODO(hubbe): Use the correct color space.  http://crbug.com/647725
   if (client_)
-    client_->PictureReady(
-        Picture(output_id, input_id, gfx::Rect(0, 0), picture->AllowOverlay()));
+    client_->PictureReady(Picture(output_id, input_id, gfx::Rect(0, 0),
+                                  gfx::ColorSpace(), picture->AllowOverlay()));
 }
 
 void VaapiVideoDecodeAccelerator::TryOutputSurface() {