Remove channel ids from various interfaces.

webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl_unittest.cc

 /*
  *  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 44 matching lines @@
         rtp_packets_sent_(0) {
   }
 
   void SetRtpRtcpModule(ModuleRtpRtcpImpl* receiver) {
     receiver_ = receiver;
   }
   void SimulateNetworkDelay(int64_t delay_ms, SimulatedClock* clock) {
     clock_ = clock;
     delay_ms_ = delay_ms;
   }
-  int SendPacket(int /*ch*/, const void* data, size_t len) override {
+  int SendPacket(const void* data, size_t len) override {
     RTPHeader header;
     rtc::scoped_ptr<RtpHeaderParser> parser(RtpHeaderParser::Create());
     EXPECT_TRUE(parser->Parse(static_cast<const uint8_t*>(data), len, &header));
     ++rtp_packets_sent_;
     last_rtp_header_ = header;
     return static_cast<int>(len);
   }
-  int SendRTCPPacket(int /*ch*/, const void* data, size_t len) override {
+  int SendRTCPPacket(const void* data, size_t len) override {
     test::RtcpPacketParser parser;
     parser.Parse(static_cast<const uint8_t*>(data), len);
     last_nack_list_ = parser.nack_item()->last_nack_list();
 
     if (clock_) {
       clock_->AdvanceTimeMilliseconds(delay_ms_);
     }
     EXPECT_TRUE(receiver_ != NULL);
     EXPECT_EQ(0, receiver_->IncomingRtcpPacket(
         static_cast<const uint8_t*>(data), len));
@@ skipping 432 matching lines @@
   EXPECT_THAT(receiver_.LastNackListSent(), ElementsAre(11, 18, 20, 21));
 
   // Send module receives the request.
   EXPECT_EQ(2U, sender_.RtcpReceived().nack_packets);
   EXPECT_EQ(8U, sender_.RtcpReceived().nack_requests);
   EXPECT_EQ(6U, sender_.RtcpReceived().unique_nack_requests);
   EXPECT_EQ(75, sender_.RtcpReceived().UniqueNackRequestsInPercent());
 }
 
 }  // namespace webrtc