Remove channel ids from various interfaces.

webrtc/voice_engine/test/auto_test/fakes/conference_transport.h

Index: webrtc/voice_engine/test/auto_test/fakes/conference_transport.h
diff --git a/webrtc/voice_engine/test/auto_test/fakes/conference_transport.h b/webrtc/voice_engine/test/auto_test/fakes/conference_transport.h
index 10bf411a3d90d0b0d8b5e9414bde1e1818cf6282..e7afccbf5700dde9844e3097ac352accbf6ffcff 100644
--- a/webrtc/voice_engine/test/auto_test/fakes/conference_transport.h
+++ b/webrtc/voice_engine/test/auto_test/fakes/conference_transport.h
@@ -98,24 +98,20 @@ class ConferenceTransport: public webrtc::Transport {
   bool GetReceiverStatistics(unsigned int id, webrtc::CallStatistics* stats);
 
   // Inherit from class webrtc::Transport.
-  int SendPacket(int channel, const void *data, size_t len) override;
-  int SendRTCPPacket(int channel, const void *data, size_t len) override;
+  int SendPacket(const void *data, size_t len) override;
+  int SendRTCPPacket(const void *data, size_t len) override;
 
  private:
   struct Packet {
     enum Type { Rtp, Rtcp, } type_;
 
     Packet() : len_(0) {}
-    Packet(Type type, int channel, const void* data, size_t len, uint32 time_ms)
-        : type_(type),
-          channel_(channel),
-          len_(len),
-          send_time_ms_(time_ms) {
+    Packet(Type type, const void* data, size_t len, uint32 time_ms)
+        : type_(type), len_(len), send_time_ms_(time_ms) {
       EXPECT_LE(len_, kMaxPacketSizeByte);
       memcpy(data_, data, len_);
     }
 
-    int channel_;
     uint8_t data_[kMaxPacketSizeByte];
     size_t len_;
     uint32 send_time_ms_;
@@ -126,8 +122,7 @@ class ConferenceTransport: public webrtc::Transport {
   }
 
   int GetReceiverChannelForSsrc(unsigned int sender_ssrc) const;
-  void StorePacket(Packet::Type type, int channel, const void* data,
-                   size_t len);
+  void StorePacket(Packet::Type type, const void* data, size_t len);
   void SendPacket(const Packet& packet);
   bool DispatchPackets();