Remove channel ids from various interfaces.

webrtc/common_types.h

Index: webrtc/common_types.h
diff --git a/webrtc/common_types.h b/webrtc/common_types.h
index 693d36db7fc302e96dbfb07f512bb58b2d0626f4..94eb70df2bdd17d5aa13c1ceb78f63c6b06fa902 100644
--- a/webrtc/common_types.h
+++ b/webrtc/common_types.h
@@ -166,15 +166,14 @@ enum FrameType
 };
 
 // External transport callback interface
-class Transport
-{
-public:
-    virtual int SendPacket(int channel, const void *data, size_t len) = 0;
-    virtual int SendRTCPPacket(int channel, const void *data, size_t len) = 0;
+class Transport {
+ public:
+  virtual int SendPacket(const void* data, size_t len) = 0;
+  virtual int SendRTCPPacket(const void* data, size_t len) = 0;
 
-protected:
-    virtual ~Transport() {}
-    Transport() {}
+ protected:
+  virtual ~Transport() {}
+  Transport() {}
 };
 
 // Statistics for an RTCP channel