Reduce LS_INFO spam from voice_engine/.

webrtc/voice_engine/voe_file_impl.cc

 /*
  *  Copyright (c) 2012 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 106 matching lines @@
   voe::Channel* channelPtr = ch.channel();
   if (channelPtr == NULL) {
     _shared->SetLastError(VE_CHANNEL_NOT_VALID, kTraceError,
                           "StopPlayingFileLocally() failed to locate channel");
     return -1;
   }
   return channelPtr->StopPlayingFileLocally();
 }
 
 int VoEFileImpl::IsPlayingFileLocally(int channel) {
-  WEBRTC_TRACE(kTraceApiCall, kTraceVoice, VoEId(_shared->instance_id(), -1),
-               "IsPlayingFileLocally(channel=%d)", channel);
   if (!_shared->statistics().Initialized()) {
     _shared->SetLastError(VE_NOT_INITED, kTraceError);
     return -1;
   }
   voe::ChannelOwner ch = _shared->channel_manager().GetChannel(channel);
   voe::Channel* channelPtr = ch.channel();
   if (channelPtr == NULL) {
     _shared->SetLastError(VE_CHANNEL_NOT_VALID, kTraceError,
                           "StopPlayingFileLocally() failed to locate channel");
     return -1;
@@ skipping 330 matching lines @@
                  "StopRecordingMicrophone() failed to stop recording to mixer");
     err = -1;
   }
 
   return err;
 }
 
 #endif  // #ifdef WEBRTC_VOICE_ENGINE_FILE_API
 
 }  // namespace webrtc