Add support for wrapping classes indirectly inherited from gin::Wrappable<T>

content/renderer/stats_collection_controller.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 CONTENT_RENDERER_STATS_COLLECTION_CONTROLLER_H_
 #define CONTENT_RENDERER_STATS_COLLECTION_CONTROLLER_H_
 
 #include "base/basictypes.h"
 #include "gin/wrappable.h"
 
 namespace blink {
 class WebFrame;
 }
 
 namespace content {
 
 // This class is exposed in JS as window.statsCollectionController and provides
 // functionality to read out statistics from the browser.
 // Its use must be enabled specifically via the
 // --enable-stats-collection-bindings command line flag.
 class StatsCollectionController
     : public gin::Wrappable<StatsCollectionController> {
  public:
   static gin::WrapperInfo kWrapperInfo;
-  static v8::Local<v8::ObjectTemplate> GetObjectTemplate(v8::Isolate* isolate);
 
   static void Install(blink::WebFrame* frame);
 
  private:
   StatsCollectionController();
   virtual ~StatsCollectionController();
 
+  // gin::WrappableBase
+  virtual gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
+      v8::Isolate* isolate) OVERRIDE;
+
   // Retrieves a histogram and returns a JSON representation of it.
   std::string GetHistogram(const std::string& histogram_name);
 
   // Retrieves a histogram from the browser process and returns a JSON
   // representation of it.
   std::string GetBrowserHistogram(const std::string& histogram_name);
 
   // Returns JSON representation of tab timing information for the current tab.
   std::string GetTabLoadTiming();
 
   DISALLOW_COPY_AND_ASSIGN(StatsCollectionController);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_STATS_COLLECTION_CONTROLLER_H_