Small refactor to media architecture in order to allow end-to-end tests.

media/media.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
     # Override to dynamically link the PulseAudio library.
     'use_pulseaudio%': 0,
     # Override to dynamically link the cras (ChromeOS audio) library.
@@ skipping 777 matching lines @@
     {
       'target_name': 'media_test_support',
       'type': 'static_library',
       'dependencies': [
         'media',
         '../base/base.gyp:base',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
       ],
       'sources': [
+        'audio/mock_audio_manager.cc',
+        'audio/mock_audio_manager.h',
         'audio/test_audio_input_controller_factory.cc',
         'audio/test_audio_input_controller_factory.h',
         'base/mock_callback.cc',
         'base/mock_callback.h',
         'base/mock_data_source_host.cc',
         'base/mock_data_source_host.h',
         'base/mock_demuxer_host.cc',
         'base/mock_demuxer_host.h',
         'base/mock_filter_host.cc',
         'base/mock_filter_host.h',
@@ skipping 303 matching lines @@
             '../third_party/ffmpeg/ffmpeg.gyp:ffmpeg',
           ],
           'sources': [
             'tools/media_bench/media_bench.cc',
           ],
         },
       ],
     }]
   ],
 }