Prepare the AudioSendStream to be hooked up to send-side BWE.

webrtc/config.h

 /*
  *  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.
  */
 
@@ skipping 120 matching lines @@
   bool enabled;
   int capacity;
 };
 
 struct NetEqFastAccelerate {
   NetEqFastAccelerate() : enabled(false) {}
   explicit NetEqFastAccelerate(bool value) : enabled(value) {}
   bool enabled;
 };
 
+struct VoicePacing {
+  VoicePacing() : enabled(false) {}
+  explicit VoicePacing(bool value) : enabled(value) {}
+  bool enabled;
+};
+
 }  // namespace webrtc
 
 #endif  // WEBRTC_CONFIG_H_