Enqueuing new frames in a Surface should cause Displays to reaggregate it

content/browser/compositor/delegated_frame_host.h

Index: content/browser/compositor/delegated_frame_host.h
diff --git a/content/browser/compositor/delegated_frame_host.h b/content/browser/compositor/delegated_frame_host.h
index a163a643caedb93918168883b7de5f9540d84914..cb27b005d042aacbd90ce34329c5dba14c83a7d0 100644
--- a/content/browser/compositor/delegated_frame_host.h
+++ b/content/browser/compositor/delegated_frame_host.h
@@ -264,6 +264,14 @@ class CONTENT_EXPORT DelegatedFrameHost
   gfx::Size current_surface_size_;
   cc::ReturnedResourceArray surface_returned_resources_;
 
+  // These Surfaces will be destroyed after the compositor commits and draws
+  // its next frame.
+  std::vector<cc::SurfaceId> surfaces_to_destroy_after_commit_;
+
+  // These Surfaces will be destroyed after the compositor draws its next
+  // frame.
+  std::vector<cc::SurfaceId> surfaces_to_destroy_after_swap_;
+
   // This lock is the one waiting for a frame of the right size to come back
   // from the renderer/GPU process. It is set from the moment the aura window
   // got resized, to the moment we committed the renderer frame of the same