Attach color space information to hardware decoded NV12 video frames.

media/gpu/fake_video_decode_accelerator.cc

Index: media/gpu/fake_video_decode_accelerator.cc
diff --git a/media/gpu/fake_video_decode_accelerator.cc b/media/gpu/fake_video_decode_accelerator.cc
index 39cf91944119c76bf3965cada46b2e719e55851b..ba1bf5bfec0fac9840023a0db155b6b2134f35ad 100644
--- a/media/gpu/fake_video_decode_accelerator.cc
+++ b/media/gpu/fake_video_decode_accelerator.cc
@@ -170,7 +170,8 @@ void FakeVideoDecodeAccelerator::DoPictureReady() {
     free_output_buffers_.pop();
 
     const Picture picture =
-        Picture(buffer_id, bitstream_id, gfx::Rect(frame_buffer_size_), false);
+        Picture(buffer_id, bitstream_id, gfx::Rect(frame_buffer_size_),
+                gfx::ColorSpace(), false);
     client_->PictureReady(picture);
     // Bitstream no longer needed.
     client_->NotifyEndOfBitstreamBuffer(bitstream_id);