Refactor the AudioDevice for iOS and improve the performance and stability

webrtc/modules/audio_device/audio_device.gypi

 # Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 {
   'targets': [
@@ skipping 25 matching lines @@
         'include/audio_device_defines.h',
         'audio_device_buffer.cc',
         'audio_device_buffer.h',
         'audio_device_generic.cc',
         'audio_device_generic.h',
         'audio_device_config.h',
         'dummy/audio_device_dummy.cc',
         'dummy/audio_device_dummy.h',
         'dummy/file_audio_device.cc',
         'dummy/file_audio_device.h',
+        'fine_audio_buffer.cc',
+        'fine_audio_buffer.h',
       ],
       'conditions': [
         ['OS=="linux"', {
           'include_dirs': [
             'linux',
           ],
         }], # OS==linux
         ['OS=="ios"', {
           'include_dirs': [
             'ios',
@@ skipping 30 matching lines @@
           'sources': [
             'android/audio_device_template.h',
             'android/audio_manager.cc',
             'android/audio_manager.h',
             'android/audio_record_jni.cc',
             'android/audio_record_jni.h',
             'android/audio_track_jni.cc',
             'android/audio_track_jni.h',
             'android/build_info.cc',
             'android/build_info.h',
-            'android/fine_audio_buffer.cc',
-            'android/fine_audio_buffer.h',
             'android/opensles_common.cc',
             'android/opensles_common.h',
             'android/opensles_player.cc',
             'android/opensles_player.h',
             'audio_device_impl.cc',
             'audio_device_impl.h',
             'ios/audio_device_ios.h',
             'ios/audio_device_ios.mm',
             'ios/audio_device_not_implemented_ios.mm',
             'linux/alsasymboltable_linux.cc',
@@ skipping 144 matching lines @@
                 'audio_device_tests.isolate',
               ],
             },
           ],
         }],
       ],
     }], # include_tests
   ],
 }