(NotForReview) Enable YUV video overlay on Skylake ChromeOS.

cc/output/overlay_unittest.cc

Index: cc/output/overlay_unittest.cc
diff --git a/cc/output/overlay_unittest.cc b/cc/output/overlay_unittest.cc
index e561ea2792a8afb4cd625252d041f5af03ad73f0..459a435dfb911bfd4538d95b56fb866f33803edc 100644
--- a/cc/output/overlay_unittest.cc
+++ b/cc/output/overlay_unittest.cc
@@ -319,7 +319,8 @@ StreamVideoDrawQuad* CreateCandidateVideoQuadAt(
   StreamVideoDrawQuad* overlay_quad =
       render_pass->CreateAndAppendDrawQuad<StreamVideoDrawQuad>();
   overlay_quad->SetNew(shared_quad_state, rect, rect, rect, resource_id,
-                       resource_size_in_pixels, transform);
+                       resource_size_in_pixels, gfx::BufferFormat::BGRA_8888,
+                       transform);
 
   return overlay_quad;
 }