Take advantage of the new Pass() machinery on scoped_ptr{,_malloc}.

webkit/media/web_data_source_factory.h

 // Copyright (c) 2011 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 WEBKIT_MEDIA_WEB_DATA_SOURCE_FACTORY_H_
 #define WEBKIT_MEDIA_WEB_DATA_SOURCE_FACTORY_H_
 
 #include "base/memory/ref_counted.h"
 #include "media/base/async_filter_factory_base.h"
 #include "webkit/media/web_data_source.h"
@@ skipping 16 matching lines @@
                                             WebKit::WebFrame* frame,
                                             media::MediaLog* media_log);
 
   WebDataSourceFactory(MessageLoop* render_loop, WebKit::WebFrame* frame,
                        media::MediaLog* media_log,
                        FactoryFunction factory_function,
                        const WebDataSourceBuildObserverHack& build_observer);
   virtual ~WebDataSourceFactory();
 
   // DataSourceFactory method.
-  virtual media::DataSourceFactory* Clone() const OVERRIDE;
+  virtual scoped_ptr<media::DataSourceFactory> Clone() const OVERRIDE;
 
  protected:
   // AsyncDataSourceFactoryBase methods.
   virtual bool AllowRequests() const OVERRIDE;
   virtual AsyncDataSourceFactoryBase::BuildRequest* CreateRequest(
       const std::string& url, const BuildCallback& callback) OVERRIDE;
 
  private:
   class BuildRequest;
 
   MessageLoop* render_loop_;
   WebKit::WebFrame* frame_;
   scoped_refptr<media::MediaLog> media_log_;
   FactoryFunction factory_function_;
   WebDataSourceBuildObserverHack build_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(WebDataSourceFactory);
 };
 
 }  // namespace webkit_media
 
 #endif  // WEBKIT_MEDIA_WEB_DATA_SOURCE_FACTORY_H_