Move webrtc/audio/audio_sink.h to webrtc/ and fix some dependencies.

webrtc/video/webrtc_video.gypi

 # Copyright (c) 2013 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.
 {
   'variables': {
     'webrtc_video_dependencies': [
       '<(webrtc_root)/base/base.gyp:rtc_base_approved',
       '<(webrtc_root)/common.gyp:webrtc_common',
       '<(webrtc_root)/common_video/common_video.gyp:common_video',
       '<(webrtc_root)/modules/modules.gyp:bitrate_controller',
+      '<(webrtc_root)/modules/modules.gyp:congestion_controller',
       '<(webrtc_root)/modules/modules.gyp:paced_sender',
       '<(webrtc_root)/modules/modules.gyp:rtp_rtcp',
       '<(webrtc_root)/modules/modules.gyp:video_capture_module',
       '<(webrtc_root)/modules/modules.gyp:video_processing',
       '<(webrtc_root)/modules/modules.gyp:video_render_module',
       '<(webrtc_root)/modules/modules.gyp:webrtc_utility',
       '<(webrtc_root)/modules/modules.gyp:webrtc_video_coding',
       '<(webrtc_root)/system_wrappers/system_wrappers.gyp:system_wrappers',
       '<(webrtc_root)/voice_engine/voice_engine.gyp:voice_engine',
       '<(webrtc_root)/webrtc.gyp:rtc_event_log',
@@ skipping 31 matching lines @@
       'video/vie_encoder.h',
       'video/vie_receiver.cc',
       'video/vie_receiver.h',
       'video/vie_remb.cc',
       'video/vie_remb.h',
       'video/vie_sync_module.cc',
       'video/vie_sync_module.h',
     ],
   },
 }