Remove voe::Statistics.

voice_engine/voice_engine_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 47 matching lines @@
     delete this;
   }
 
   return new_ref;
 }
 
 std::unique_ptr<voe::ChannelProxy> VoiceEngineImpl::GetChannelProxy(
     int channel_id) {
   RTC_DCHECK(channel_id >= 0);
   rtc::CritScope cs(crit_sec());
-  RTC_DCHECK(statistics().Initialized());
   return std::unique_ptr<voe::ChannelProxy>(
       new voe::ChannelProxy(channel_manager().GetChannel(channel_id)));
 }
 
 VoiceEngine* VoiceEngine::Create() {
   return GetVoiceEngine();
 }
 
 bool VoiceEngine::Delete(VoiceEngine*& voiceEngine) {
   if (voiceEngine == NULL)
     return false;
 
   VoiceEngineImpl* s = static_cast<VoiceEngineImpl*>(voiceEngine);
   // Release the reference that was added in GetVoiceEngine.
   int ref = s->Release();
   voiceEngine = NULL;
 
   if (ref != 0) {
     WEBRTC_TRACE(
         kTraceWarning, kTraceVoice, -1,
         "VoiceEngine::Delete did not release the very last reference.  "
         "%d references remain.",
         ref);
   }
 
   return true;
 }
 }  // namespace webrtc