Handle NinePatchLayer Resource Rebuilding.

cc/nine_patch_layer.h

 // Copyright 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 CC_NINE_PATCH_LAYER_H_
 #define CC_NINE_PATCH_LAYER_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/cc_export.h"
 #include "cc/layer.h"
@@ skipping 21 matching lines @@
     // rects are x-stretched to fit, and the left and right rects are
     // y-stretched to fit.
     void setBitmap(const SkBitmap& bitmap, const gfx::Rect& aperture);
 
 private:
     NinePatchLayer();
     virtual ~NinePatchLayer();
     virtual scoped_ptr<LayerImpl> createLayerImpl() OVERRIDE;
 
     void createUpdaterIfNeeded();
+    void createResource();
 
     scoped_refptr<ImageLayerUpdater> m_updater;
     scoped_ptr<LayerUpdater::Resource> m_resource;
 
     SkBitmap m_bitmap;
     bool m_bitmapDirty;
 
     // The transparent center region that shows the parent layer's contents in image space.
     gfx::Rect m_imageAperture;
 };
 
 }  // namespace cc
 
 #endif  // CC_NINE_PATCH_LAYER_H_