Remove channel ids from various interfaces.

webrtc/test/channel_transport/udp_transport_impl.h

 /*
  *  Copyright (c) 2012 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 98 matching lines @@
     int32_t SendRTCPPacketTo(const int8_t* data,
                              size_t length,
                              const SocketAddress& to) override;
     int32_t SendRTPPacketTo(const int8_t* data,
                             size_t length,
                             uint16_t rtpPort) override;
     int32_t SendRTCPPacketTo(const int8_t* data,
                              size_t length,
                              uint16_t rtcpPort) override;
     // Transport functions
-    int SendPacket(int channel, const void* data, size_t length) override;
-    int SendRTCPPacket(int channel, const void* data, size_t length) override;
+    int SendPacket(const void* data, size_t length) override;
+    int SendRTCPPacket(const void* data, size_t length) override;
 
     // UdpTransport functions continue.
     int32_t SetSendIP(const char* ipaddr) override;
     int32_t SetSendPorts(const uint16_t rtpPort,
                          const uint16_t rtcpPort = 0) override;
 
     ErrorCode LastError() const override;
 
     int32_t IPAddressCached(const SocketAddress& address,
                             char* ip,
@@ skipping 117 matching lines @@
     uint16_t _rtpFilterPort;
     uint16_t _rtcpFilterPort;
 
     UdpTransportData* _packetCallback;
 };
 
 }  // namespace test
 }  // namespace webrtc
 
 #endif  // WEBRTC_TEST_CHANNEL_TRANSPORT_UDP_TRANSPORT_IMPL_H_