Remove SetVideoLogging/SetAudioLogging from ChannelManager and down the stack.

talk/media/webrtc/webrtcvoiceengine.cc

Index: talk/media/webrtc/webrtcvoiceengine.cc
diff --git a/talk/media/webrtc/webrtcvoiceengine.cc b/talk/media/webrtc/webrtcvoiceengine.cc
index c13b22933a323f99eba553d5b84229cf992417b3..3155329781021514da688c9d928edcbf96af40f4 100644
--- a/talk/media/webrtc/webrtcvoiceengine.cc
+++ b/talk/media/webrtc/webrtcvoiceengine.cc
@@ -1141,16 +1141,6 @@ WebRtcVoiceEngine::rtp_header_extensions() const {
   return rtp_header_extensions_;
 }
 
-void WebRtcVoiceEngine::SetLogging(int min_sev, const char* filter) {
-  RTC_DCHECK(worker_thread_checker_.CalledOnValidThread());
-  // if min_sev == -1, we keep the current log level.
-  if (min_sev >= 0) {
-    SetTraceFilter(SeverityToFilter(min_sev));
-  }
-  log_options_ = filter;
-  SetTraceOptions(initialized_ ? log_options_ : "");
-}
-
 int WebRtcVoiceEngine::GetLastEngineError() {
   RTC_DCHECK(worker_thread_checker_.CalledOnValidThread());
   return voe_wrapper_->error();