Move AudioRenderer out of Filter heirarchy.

media/base/mock_filters.cc

 // 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.
 
 #include "media/base/mock_filters.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "media/base/filter_host.h"
 
@@ skipping 43 matching lines @@
                  default_url);
 }
 
 void MockDecryptorClient::NeedKey(const std::string& key_system,
                                   const std::string& session_id,
                                   scoped_array<uint8> init_data,
                                   int init_data_length) {
   NeedKeyMock(key_system, session_id, init_data.get(), init_data_length);
 }
 
+MockAudioRendererHost::MockAudioRendererHost() {}
+
+MockAudioRendererHost::~MockAudioRendererHost() {}
+
 MockFilterCollection::MockFilterCollection()
     : demuxer_(new MockDemuxer()),
       video_decoder_(new MockVideoDecoder()),
       audio_decoder_(new MockAudioDecoder()),
       video_renderer_(new MockVideoRenderer()),
       audio_renderer_(new MockAudioRenderer()) {
 }
 
 MockFilterCollection::~MockFilterCollection() {}
 
@@ skipping 36 matching lines @@
 
 void MockFilter::SetHost(FilterHost* host) {
   host_ = host;
 }
 
 MockStatisticsCB::MockStatisticsCB() {}
 
 MockStatisticsCB::~MockStatisticsCB() {}
 
 }  // namespace media