Revert of 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 5baf54045f308bbf252cd91c5faa95e8ed6d05d3..c6d82f16b6268169f47dd720f0d8afea945cd0a1 100644
--- a/media/gpu/vaapi_video_decode_accelerator.cc
+++ b/media/gpu/vaapi_video_decode_accelerator.cc
@@ -432,10 +432,9 @@
   // 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),
-                                  gfx::ColorSpace(), picture->AllowOverlay()));
+    client_->PictureReady(
+        Picture(output_id, input_id, gfx::Rect(0, 0), picture->AllowOverlay()));
 }
 
 void VaapiVideoDecodeAccelerator::TryOutputSurface() {