DirectCompositorFrameSink Uses CompositorFrameSinkSupport

ui/android/delegated_frame_host_android.h

Index: ui/android/delegated_frame_host_android.h
diff --git a/ui/android/delegated_frame_host_android.h b/ui/android/delegated_frame_host_android.h
index 2e3ba78348fddd58e0501aa780385ff63a8f804a..4b1446b28809fe9cb05b886f5c3ea5117851e927 100644
--- a/ui/android/delegated_frame_host_android.h
+++ b/ui/android/delegated_frame_host_android.h
@@ -67,11 +67,6 @@ class UI_ANDROID_EXPORT DelegatedFrameHostAndroid
 
   void UpdateContainerSizeinDIP(const gfx::Size& size_in_dip);
 
-  // Called when this DFH is attached/detached from a parent browser compositor
-  // and needs to be attached to the surface hierarchy.
-  void RegisterFrameSinkHierarchy(const cc::FrameSinkId& parent_id);
-  void UnregisterFrameSinkHierarchy();
-
  private:
   // cc::SurfaceFactoryClient implementation.
   void ReturnResources(const cc::ReturnedResourceArray& resources) override;