Update the nine patch layer to use UI resources

cc/test/fake_scoped_ui_resource.h

 // Copyright 2013 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_TEST_FAKE_SCOPED_UI_RESOURCE_H_
 #define CC_TEST_FAKE_SCOPED_UI_RESOURCE_H_
 
 #include "base/memory/ref_counted.h"
 #include "cc/resources/scoped_ui_resource.h"
 
 namespace cc {
 
 class LayerTreeHost;
 
 class FakeScopedUIResource : public ScopedUIResource {
  public:
   static scoped_ptr<FakeScopedUIResource> Create(LayerTreeHost* host);
 
-  virtual scoped_refptr<UIResourceBitmap> GetBitmap(
-      UIResourceId uid,
-      bool resource_lost) OVERRIDE;
+  virtual UIResourceBitmap GetBitmap(UIResourceId uid,
+                                     bool resource_lost) OVERRIDE;
   void ResetCounters();
 
   int resource_create_count;
   int lost_resource_count;
 
  private:
   explicit FakeScopedUIResource(LayerTreeHost* host);
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_SCOPED_UI_RESOURCE_H_