Remove the default send channel in WVoE.

talk/media/webrtc/webrtcvoiceengine.h

Index: talk/media/webrtc/webrtcvoiceengine.h
diff --git a/talk/media/webrtc/webrtcvoiceengine.h b/talk/media/webrtc/webrtcvoiceengine.h
index 5a7952dbfaacb02bfcdf71bd72d5c7cef49b4fc4..ccafaa2a55198e217f9a1dbfbf7c302c6eb6d39f 100644
--- a/talk/media/webrtc/webrtcvoiceengine.h
+++ b/talk/media/webrtc/webrtcvoiceengine.h
@@ -108,9 +108,6 @@ class WebRtcVoiceEngine
   // Starts AEC dump using existing file.
   bool StartAecDump(rtc::PlatformFile file);
 
-  // Create a VoiceEngine Channel.
-  int CreateMediaVoiceChannel();
-
  private:
   void Construct();
   void ConstructCodecs();
@@ -139,7 +136,7 @@ class WebRtcVoiceEngine
 
   void StartAecDump(const std::string& filename);
   void StopAecDump();
-  int CreateVoiceChannel(VoEWrapper* voe);
+  int CreateVoiceChannel();
 
   static const int kDefaultLogSeverity = rtc::LS_WARNING;
 
@@ -183,8 +180,6 @@ class WebRtcVoiceMediaChannel : public VoiceMediaChannel,
                           webrtc::Call* call);
   ~WebRtcVoiceMediaChannel() override;
 
-  int voe_channel() const { return voe_channel_; }
-  bool valid() const { return voe_channel_ != -1; }
   const AudioOptions& options() const { return options_; }
 
   bool SetSendParameters(const AudioSendParameters& params) override;
@@ -260,7 +255,6 @@ class WebRtcVoiceMediaChannel : public VoiceMediaChannel,
   bool GetRedSendCodec(const AudioCodec& red_codec,
                        const std::vector<AudioCodec>& all_codecs,
                        webrtc::CodecInst* send_codec);
-  bool EnableRtcp(int channel);
   bool SetPlayout(int channel, bool playout);
   static Error WebRtcErrorToChannelError(int err_code);
 
@@ -279,12 +273,9 @@ class WebRtcVoiceMediaChannel : public VoiceMediaChannel,
   bool ChangePlayout(bool playout);
   bool ChangeSend(SendFlags send);
   bool ChangeSend(int channel, SendFlags send);
-  void ConfigureSendChannel(int channel);
   bool ConfigureRecvChannel(int channel);
+  int CreateChannel();
   bool DeleteChannel(int channel);
-  bool IsDefaultChannel(int channel_id) const {
-    return channel_id == voe_channel();
-  }
   bool SetSendCodecs(int channel, const std::vector<AudioCodec>& codecs);
   bool SetSendBitrateInternal(int bps);
 
@@ -305,7 +296,6 @@ class WebRtcVoiceMediaChannel : public VoiceMediaChannel,
   rtc::ThreadChecker thread_checker_;
 
   WebRtcVoiceEngine* const engine_;
-  const int voe_channel_;
   std::vector<AudioCodec> recv_codecs_;
   std::vector<AudioCodec> send_codecs_;
   rtc::scoped_ptr<webrtc::CodecInst> send_codec_;