Revert of Moved parent_->SchedulePaint() to Views::SetFillsBoundsOpaquely() and Views::ScheduleP

ui/views/view.h

Index: ui/views/view.h
diff --git a/ui/views/view.h b/ui/views/view.h
index accd331ada6313dcdec0ad9e6d5798f162867135..ec070e55cec57713cecd60cf20badc83654c4a3d 100644
--- a/ui/views/view.h
+++ b/ui/views/view.h
@@ -1220,7 +1220,6 @@
   friend class internal::PostEventDispatchHandler;
   friend class internal::RootView;
   friend class FocusManager;
-  friend class ViewLayerTest;
   friend class Widget;
 
   // Painting  -----------------------------------------------------------------
@@ -1236,9 +1235,6 @@
   // Invoked before and after the bounds change to schedule painting the old and
   // new bounds.
   void SchedulePaintBoundsChanged(SchedulePaintType type);
-
-  // Schedules a paint on the parent View if it exists.
-  void SchedulePaintOnParent();
 
   // Tree operations -----------------------------------------------------------