View: Resizing a layer in RTL now correctly repositions its children.

ui/views/view.h

Index: ui/views/view.h
diff --git a/ui/views/view.h b/ui/views/view.h
index 474ae01b56051626849f63dcfec9369f45b9c3ac..ede1e4e8358d76b25faa8bf56c674654e084f1ab 100644
--- a/ui/views/view.h
+++ b/ui/views/view.h
@@ -1293,8 +1293,14 @@ class VIEWS_EXPORT View : public ui::LayerDelegate,
   // VisibilityChanged().
   void VisibilityChangedImpl(View* starting_from, bool is_visible);
 
+  // Called when the logical or just the mirrored bounds have changed. Note:
+  // |previous_bounds| may be the same as |bounds_| if the logical bounds have
+  // not changed, but the mirrored bounds have.
+  void MirroredBoundsChanged(const gfx::Rect& previous_bounds);
+
   // Responsible for propagating bounds change notifications to relevant
-  // views.
+  // views. Called only if the actual (logical) bounds have changed (not just if
+  // the mirrored bounds have changed due to a parent's size changing).
   void BoundsChanged(const gfx::Rect& previous_bounds);
 
   // Visible bounds notification registration.