Stop painting when receiving delegated frame

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 157 matching lines @@
   void SetBoundsInScreen(const gfx::Rect& new_bounds_in_screen_coords,
                          const gfx::Display& dst_display);
 
   // Returns the target bounds of the window. If the window's layer is
   // not animating, it simply returns the current bounds.
   gfx::Rect GetTargetBounds() const;
 
   // Marks the a portion of window as needing to be painted.
   void SchedulePaintInRect(const gfx::Rect& rect);
 
+  // Marks a portion of the window as having been damaged (and already painted).
+  void NotifyDamage(const gfx::Rect& rect);
+
   // Stacks the specified child of this Window at the front of the z-order.
   void StackChildAtTop(Window* child);
 
   // Stacks |child| above |target|.  Does nothing if |child| is already above
   // |target|.  Does not stack on top of windows with NULL layer delegates,
   // see WindowTest.StackingMadrigal for details.
   void StackChildAbove(Window* child, Window* target);
 
   // Stacks the specified child of this window at the bottom of the z-order.
   void StackChildAtBottom(Window* child);
@@ skipping 347 matching lines @@
   };
 
   std::map<const void*, Value> prop_map_;
 
   DISALLOW_COPY_AND_ASSIGN(Window);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_WINDOW_H_