Move congestion controller to a separate module.

webrtc/modules/modules.gyp

 # Copyright (c) 2011 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.
 
 {
   'includes': [
     '../build/common.gypi',
     'audio_coding/audio_coding.gypi',
     'audio_conference_mixer/audio_conference_mixer.gypi',
     'audio_device/audio_device.gypi',
     'audio_processing/audio_processing.gypi',
     'bitrate_controller/bitrate_controller.gypi',
+    'congestion_controller/congestion_controller.gypi',
     'desktop_capture/desktop_capture.gypi',
     'media_file/media_file.gypi',
     'pacing/pacing.gypi',
     'remote_bitrate_estimator/remote_bitrate_estimator.gypi',
     'rtp_rtcp/rtp_rtcp.gypi',
     'utility/utility.gypi',
     'video_coding/codecs/h264/h264.gypi',
     'video_coding/codecs/i420/i420.gypi',
     'video_coding/video_coding.gypi',
     'video_capture/video_capture.gypi',
@@ skipping 569 matching lines @@
               'sources': [
                 'video_render_tests.isolate',
               ],
             },
           ],
         }],
       ],
     }], # include_tests
   ], # conditions
 }