Convert logs in rtp rtcp module from WEBRTC_TRACE into LOG.

Clean some logs and add asserts in the way.

BUG=3153
R=mflodman@webrtc.org, stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/11129004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5861 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/modules/rtp_rtcp/interface/fec_receiver.h

@@ -18,7 +18,7 @@ namespace webrtc {
 
 class FecReceiver {
  public:
-  static FecReceiver* Create(int32_t id, RtpData* callback);
+  static FecReceiver* Create(RtpData* callback);
 
   virtual ~FecReceiver() {}