Wire up x-google-{min,start,max}-bitrate to WebRtcVoiceMediaChannel.

webrtc/media/engine/webrtcvideoengine2.cc

 /*
  *  Copyright (c) 2014 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 55 matching lines @@
   }
 
   void Destroy(webrtc::VideoEncoder* encoder) override {
     return factory_->DestroyVideoEncoder(encoder);
   }
 
  private:
   cricket::WebRtcVideoEncoderFactory* const factory_;
 };
 
-webrtc::Call::Config::BitrateConfig GetBitrateConfigForCodec(
-    const VideoCodec& codec) {
-  webrtc::Call::Config::BitrateConfig config;
-  int bitrate_kbps;
-  if (codec.GetParam(kCodecParamMinBitrate, &bitrate_kbps) &&
-      bitrate_kbps > 0) {
-    config.min_bitrate_bps = bitrate_kbps * 1000;
-  } else {
-    config.min_bitrate_bps = 0;
-  }
-  if (codec.GetParam(kCodecParamStartBitrate, &bitrate_kbps) &&
-      bitrate_kbps > 0) {
-    config.start_bitrate_bps = bitrate_kbps * 1000;
-  } else {
-    // Do not reconfigure start bitrate unless it's specified and positive.
-    config.start_bitrate_bps = -1;
-  }
-  if (codec.GetParam(kCodecParamMaxBitrate, &bitrate_kbps) &&
-      bitrate_kbps > 0) {
-    config.max_bitrate_bps = bitrate_kbps * 1000;
-  } else {
-    config.max_bitrate_bps = -1;
-  }
-  return config;
-}
-
 // An encoder factory that wraps Create requests for simulcastable codec types
 // with a webrtc::SimulcastEncoderAdapter. Non simulcastable codec type
 // requests are just passed through to the contained encoder factory.
 class WebRtcSimulcastEncoderFactory
     : public cricket::WebRtcVideoEncoderFactory {
  public:
   // WebRtcSimulcastEncoderFactory doesn't take ownership of |factory|, which is
   // owned by e.g. PeerConnectionFactory.
   explicit WebRtcSimulcastEncoderFactory(
       cricket::WebRtcVideoEncoderFactory* factory)
@@ skipping 2491 matching lines @@
         rtx_mapping[video_codecs[i].codec.id] !=
             ulpfec_config.red_payload_type) {
       video_codecs[i].rtx_payload_type = rtx_mapping[video_codecs[i].codec.id];
     }
   }
 
   return video_codecs;
 }
 
 }  // namespace cricket