Replace init_cb in Renderer::Initialize() with base::Closure.

media/base/mock_filters.h

 // Copyright (c) 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 MEDIA_BASE_MOCK_FILTERS_H_
 #define MEDIA_BASE_MOCK_FILTERS_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 143 matching lines @@
  private:
   DISALLOW_COPY_AND_ASSIGN(MockAudioRenderer);
 };
 
 class MockRenderer : public Renderer {
  public:
   MockRenderer();
   virtual ~MockRenderer();
 
   // Renderer implementation.
-  MOCK_METHOD6(Initialize, void(const PipelineStatusCB& init_cb,
+  MOCK_METHOD6(Initialize, void(const base::Closure& init_cb,
                                 const StatisticsCB& statistics_cb,
                                 const base::Closure& ended_cb,
                                 const PipelineStatusCB& error_cb,
                                 const BufferingStateCB& buffering_state_cb,
                                 const TimeDeltaCB& get_duration_cb));
   MOCK_METHOD1(Flush, void(const base::Closure& flush_cb));
   MOCK_METHOD1(StartPlayingFrom, void(base::TimeDelta timestamp));
   MOCK_METHOD1(SetPlaybackRate, void(float playback_rate));
   MOCK_METHOD1(SetVolume, void(float volume));
   MOCK_METHOD0(GetMediaTime, base::TimeDelta());
@@ skipping 71 matching lines @@
  public:
   MockStatisticsCB();
   ~MockStatisticsCB();
 
   MOCK_METHOD1(OnStatistics, void(const media::PipelineStatistics& statistics));
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_MOCK_FILTERS_H_