cc: Introduce embedded_surfaces in metadata for surface Ids in draw quads

cc/surfaces/surface.cc

Index: cc/surfaces/surface.cc
diff --git a/cc/surfaces/surface.cc b/cc/surfaces/surface.cc
index 3e16c6928a05e7f2d273785305693021a121491b..3290f84bc1c1fd960e3e567394625f2e9bd74d81 100644
--- a/cc/surfaces/surface.cc
+++ b/cc/surfaces/surface.cc
@@ -216,8 +216,7 @@ void Surface::UpdateBlockingSurfaces(
 
   base::flat_set<SurfaceId> new_blocking_surfaces;
 
-  for (const SurfaceId& surface_id :
-       current_frame.metadata.referenced_surfaces) {
+  for (const SurfaceId& surface_id : current_frame.metadata.embedded_surfaces) {
     Surface* surface = factory_->manager()->GetSurfaceForId(surface_id);
     // If a referenced surface does not have a corresponding active frame in the
     // display compositor, then it blocks this frame.