Propagate window transformed notification to child hierarchy

ui/aura/window.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_AURA_WINDOW_H_
 #define UI_AURA_WINDOW_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 427 matching lines @@
   // during the call (by an observer), otherwise true.
   bool NotifyWindowVisibilityChangedAtReceiver(aura::Window* target,
                                                bool visible);
   // Notifies this window and its child hierarchy. Returns false if
   // |this| was deleted during the call (by an observer), otherwise
   // true.
   bool NotifyWindowVisibilityChangedDown(aura::Window* target, bool visible);
   // Notifies this window and its parent hierarchy.
   void NotifyWindowVisibilityChangedUp(aura::Window* target, bool visible);
 
+  // Notifies this window and its child hierarchy of a transform applied to
+  // |source|.
+  void NotifyAncestorWindowTransformed(Window* source);
+
   // Invoked when the bounds of the window changes. This may be invoked directly
   // by us, or from the closure returned by PrepareForLayerBoundsChange() after
   // the bounds of the layer has changed. |old_bounds| is the previous bounds.
   void OnWindowBoundsChanged(const gfx::Rect& old_bounds);
 
   // Overridden from ui::LayerDelegate:
   virtual void OnPaintLayer(gfx::Canvas* canvas) OVERRIDE;
   virtual void OnDelegatedFrameDamage(
       const gfx::Rect& damage_rect_in_dip) OVERRIDE;
   virtual base::Closure PrepareForLayerBoundsChange() OVERRIDE;
@@ skipping 79 matching lines @@
   };
 
   std::map<const void*, Value> prop_map_;
 
   DISALLOW_COPY_AND_ASSIGN(Window);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_WINDOW_H_