Moved the fake input stream's processing onto the audio worker thread.

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 cras (ChromeOS audio) library.
     'use_cras%': 0,
     # Option e.g. for Linux distributions to link pulseaudio directly
@@ skipping 132 matching lines @@
         'audio/fake_audio_consumer.cc',
         'audio/fake_audio_consumer.h',
         'audio/fake_audio_input_stream.cc',
         'audio/fake_audio_input_stream.h',
         'audio/fake_audio_log_factory.h',
         'audio/fake_audio_log_factory.cc',
         'audio/fake_audio_manager.cc',
         'audio/fake_audio_manager.h',
         'audio/fake_audio_output_stream.cc',
         'audio/fake_audio_output_stream.h',
+        'audio/fake_audio_provider.cc',
+        'audio/fake_audio_provider.h',
         'audio/linux/audio_manager_linux.cc',
         'audio/mac/audio_auhal_mac.cc',
         'audio/mac/audio_auhal_mac.h',
         'audio/mac/audio_device_listener_mac.cc',
         'audio/mac/audio_device_listener_mac.h',
         'audio/mac/audio_input_mac.cc',
         'audio/mac/audio_input_mac.h',
         'audio/mac/audio_low_latency_input_mac.cc',
         'audio/mac/audio_low_latency_input_mac.h',
         'audio/mac/audio_manager_mac.cc',
@@ skipping 964 matching lines @@
         'audio/audio_input_unittest.cc',
         'audio/audio_input_volume_unittest.cc',
         'audio/audio_low_latency_input_output_unittest.cc',
         'audio/audio_manager_unittest.cc',
         'audio/audio_output_controller_unittest.cc',
         'audio/audio_output_device_unittest.cc',
         'audio/audio_output_proxy_unittest.cc',
         'audio/audio_parameters_unittest.cc',
         'audio/audio_power_monitor_unittest.cc',
         'audio/fake_audio_consumer_unittest.cc',
+        'audio/fake_audio_provider_unittest.cc',
         'audio/mac/audio_auhal_mac_unittest.cc',
         'audio/mac/audio_device_listener_mac_unittest.cc',
         'audio/mac/audio_low_latency_input_mac_unittest.cc',
         'audio/simple_sources_unittest.cc',
         'audio/sounds/audio_stream_handler_unittest.cc',
         'audio/sounds/sounds_manager_unittest.cc',
         'audio/sounds/test_data.cc',
         'audio/sounds/test_data.h',
         'audio/sounds/wav_audio_handler_unittest.cc',
         'audio/virtual_audio_input_stream_unittest.cc',
@@ skipping 780 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'media_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }