[PPAPI] Pepper MediaStream API audio track implementation and example.

content/content_renderer.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': [
     '../gin/gin.gyp:gin',
     '../jingle/jingle.gyp:jingle_glue',
     '../media/media.gyp:media',
     '../net/net.gyp:net',
@@ skipping 343 matching lines @@
     'renderer/pepper/pepper_graphics_2d_host.cc',
     'renderer/pepper/pepper_graphics_2d_host.h',
     'renderer/pepper/pepper_hung_plugin_filter.cc',
     'renderer/pepper/pepper_hung_plugin_filter.h',
     'renderer/pepper/pepper_in_process_resource_creation.cc',
     'renderer/pepper/pepper_in_process_resource_creation.h',
     'renderer/pepper/pepper_in_process_router.cc',
     'renderer/pepper/pepper_in_process_router.h',
     'renderer/pepper/pepper_media_device_manager.cc',
     'renderer/pepper/pepper_media_device_manager.h',
+    'renderer/pepper/pepper_media_stream_audio_track_host.cc',
+    'renderer/pepper/pepper_media_stream_audio_track_host.h',
     'renderer/pepper/pepper_media_stream_track_host_base.cc',
     'renderer/pepper/pepper_media_stream_track_host_base.h',
     'renderer/pepper/pepper_media_stream_video_track_host.cc',
     'renderer/pepper/pepper_media_stream_video_track_host.h',
     'renderer/pepper/pepper_platform_audio_input.cc',
     'renderer/pepper/pepper_platform_audio_input.h',
     'renderer/pepper/pepper_platform_audio_output.cc',
     'renderer/pepper/pepper_platform_audio_output.h',
     'renderer/pepper/pepper_platform_context_3d.cc',
     'renderer/pepper/pepper_platform_context_3d.h',
@@ skipping 388 matching lines @@
     }],
   ],
   'target_conditions': [
     ['OS=="android"', {
       'sources/': [
         ['include', '^renderer/render_view_linux\\.cc$'],
       ],
     }],
   ],
 }