Migrate Pipeline & PipelineImpl to PipelineStatusCB.

webkit/glue/media/simple_data_source.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.
 
 // An extremely simple implementation of DataSource that downloads the entire
 // media resource into memory before signaling that initialization has finished.
 // Primarily used to test <audio> and <video> with buffering/caching removed
 // from the equation.
 
 #ifndef WEBKIT_GLUE_MEDIA_SIMPLE_DATA_SOURCE_H_
@@ skipping 70 matching lines @@
       const char* data, int dataLength);
   virtual void didFinishLoading(
       WebKit::WebURLLoader* loader,
       double finishTime);
   virtual void didFail(
       WebKit::WebURLLoader* loader,
       const WebKit::WebURLError&);
 
   // webkit_glue::WebDataSource implementation.
   virtual void Initialize(const std::string& url,
-                          media::PipelineStatusCallback* callback);
+                          const media::PipelineStatusCB& callback);
   virtual void CancelInitialize();
   virtual bool HasSingleOrigin();
   virtual void Abort();
 
  private:
   // Creates and starts the resource loading on the render thread.
   void StartTask();
 
   // Cancels and deletes the resource loading on the render thread.
   void CancelTask();
@@ skipping 24 matching lines @@
     INITIALIZING,
     INITIALIZED,
     STOPPED,
   };
   State state_;
 
   // Used for accessing |state_|.
   base::Lock lock_;
 
   // Filter callbacks.
-  scoped_ptr<media::PipelineStatusCallback> initialize_callback_;
+  media::PipelineStatusCB initialize_cb_;
 
   // Used to ensure mocks for unittests are used instead of reset in Start().
   bool keep_test_loader_;
 
   DISALLOW_COPY_AND_ASSIGN(SimpleDataSource);
 };
 
 }  // namespace webkit_glue
 
 #endif  // WEBKIT_GLUE_MEDIA_SIMPLE_DATA_SOURCE_H_