Refactor MediaStreamManager to never output real device id. It now always output sourceId in the fo…

content/content_browser.gypi

 # 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.
 
 {
   'dependencies': [
     'browser/speech/proto/speech_proto.gyp:speech_proto',
     '../base/base.gyp:base_static',
     '../crypto/crypto.gyp:crypto',
     '../google_apis/google_apis.gyp:google_apis',
@@ skipping 849 matching lines @@
     'browser/renderer_host/media/audio_input_sync_writer.cc',
     'browser/renderer_host/media/audio_input_sync_writer.h',
     'browser/renderer_host/media/audio_mirroring_manager.cc',
     'browser/renderer_host/media/audio_mirroring_manager.h',
     'browser/renderer_host/media/audio_renderer_host.cc',
     'browser/renderer_host/media/audio_renderer_host.h',
     'browser/renderer_host/media/audio_sync_reader.cc',
     'browser/renderer_host/media/audio_sync_reader.h',
     'browser/renderer_host/media/device_request_message_filter.cc',
     'browser/renderer_host/media/device_request_message_filter.h',
+    'browser/renderer_host/media/media_source_id_factory.cc',
+    'browser/renderer_host/media/media_source_id_factory.h',
     'browser/renderer_host/media/media_stream_dispatcher_host.cc',
     'browser/renderer_host/media/media_stream_dispatcher_host.h',
     'browser/renderer_host/media/media_stream_manager.cc',
     'browser/renderer_host/media/media_stream_manager.h',
     'browser/renderer_host/media/media_stream_provider.h',
-    'browser/renderer_host/media/media_stream_requester.h',
+    'browser/renderer_host/media/media_stream_requester.h',    
     'browser/renderer_host/media/media_stream_ui_proxy.cc',
     'browser/renderer_host/media/media_stream_ui_proxy.h',
     'browser/renderer_host/media/midi_dispatcher_host.cc',
     'browser/renderer_host/media/midi_dispatcher_host.h',
     'browser/renderer_host/media/midi_host.cc',
     'browser/renderer_host/media/midi_host.h',
     'browser/renderer_host/media/video_capture_buffer_pool.cc',
     'browser/renderer_host/media/video_capture_buffer_pool.h',
     'browser/renderer_host/media/video_capture_controller.cc',
     'browser/renderer_host/media/video_capture_controller.h',
@@ skipping 655 matching lines @@
         ['exclude', '^browser/speech/input_tag_speech_dispatcher_host\\.(cc|h)$'],
       ],
     }, {  # input_speech==1
       'dependencies': [
         '../third_party/flac/flac.gyp:libflac',
         '../third_party/speex/speex.gyp:libspeex',
       ],
     }],
   ],
 }