Remove VoEFile from VoeWrapper and the remaining places in libjingle where it was being used.

talk/media/webrtc/webrtcvoiceengine.cc

 /*
  * libjingle
  * Copyright 2004 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 2290 matching lines @@
   send_ = send;
   return true;
 }
 
 bool WebRtcVoiceMediaChannel::ChangeSend(int channel, SendFlags send) {
   if (send == SEND_MICROPHONE) {
     if (engine()->voe()->base()->StartSend(channel) == -1) {
       LOG_RTCERR1(StartSend, channel);
       return false;
     }
-    if (engine()->voe()->file() &&
-        engine()->voe()->file()->StopPlayingFileAsMicrophone(channel) == -1) {
-      LOG_RTCERR1(StopPlayingFileAsMicrophone, channel);
-      return false;
-    }
   } else {  // SEND_NOTHING
     RTC_DCHECK(send == SEND_NOTHING);
     if (engine()->voe()->base()->StopSend(channel) == -1) {
       LOG_RTCERR1(StopSend, channel);
       return false;
     }
   }
 
   return true;
 }
@@ skipping 1173 matching lines @@
       LOG(LS_WARNING) << "Unknown codec " << ToString(codec);
       return false;
     }
   }
   return true;
 }
 
 }  // namespace cricket
 
 #endif  // HAVE_WEBRTC_VOICE