voice_engine: Removed old variants of Channel constructor and CreateChannel

webrtc/voice_engine/channel_manager.h

 /*
  *  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.
  */
 
@@ skipping 79 matching lines @@
 
    private:
     size_t iterator_pos_;
     std::vector<ChannelOwner> channels_;
 
     RTC_DISALLOW_COPY_AND_ASSIGN(Iterator);
   };
 
   // CreateChannel will always return a valid ChannelOwner instance. The channel
   // is created either based on internal configuration, i.e. |config_|, by
-  // calling CreateChannel(), or using and external configuration
+  // calling CreateChannel(...), or using and external configuration
   // |external_config| if the overloaded method
-  // CreateChannel(const Config& external_config) is called.
-  ChannelOwner CreateChannel();
-  ChannelOwner CreateChannel(const Config& external_config);
+  // CreateChannel(const Config& external_config, ...) is called.
   ChannelOwner CreateChannel(
       const rtc::scoped_refptr<AudioDecoderFactory>& decoder_factory);
   ChannelOwner CreateChannel(
       const Config& external_config,
       const rtc::scoped_refptr<AudioDecoderFactory>& decoder_factory);
 
   // ChannelOwner.channel() will be NULL if channel_id is invalid or no longer
   // exists. This should be checked with ChannelOwner::IsValid().
   ChannelOwner GetChannel(int32_t channel_id);
   void GetAllChannels(std::vector<ChannelOwner>* channels);
@@ skipping 17 matching lines @@
   std::vector<ChannelOwner> channels_;
 
   const Config& config_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(ChannelManager);
 };
 }  // namespace voe
 }  // namespace webrtc
 
 #endif  // WEBRTC_VOICE_ENGINE_CHANNEL_MANAGER_H