Remove voe::Statistics.

voice_engine/shared_data.cc

Index: voice_engine/shared_data.cc
diff --git a/voice_engine/shared_data.cc b/voice_engine/shared_data.cc
index 48c8b0f22b333a6763cee46a9d4665baf3e805f2..ac830c7163438bc37a7da1332491ef8cb4d9554c 100644
--- a/voice_engine/shared_data.cc
+++ b/voice_engine/shared_data.cc
@@ -24,7 +24,6 @@ static int32_t _gInstanceCounter = 0;
 SharedData::SharedData()
     : _instanceId(++_gInstanceCounter),
       _channelManager(_gInstanceCounter),
-      _engineStatistics(_gInstanceCounter),
       _audioDevicePtr(NULL),
       _moduleProcessThreadPtr(ProcessThread::Create("VoiceProcessThread")),
       encoder_queue_("AudioEncoderQueue") {
@@ -84,20 +83,6 @@ int SharedData::NumOfPlayingChannels() {
   return playout_channels;
 }
 
-void SharedData::SetLastError(int32_t error) const {
-  _engineStatistics.SetLastError(error);
-}
-
-void SharedData::SetLastError(int32_t error,
-                              TraceLevel level) const {
-  _engineStatistics.SetLastError(error, level);
-}
-
-void SharedData::SetLastError(int32_t error, TraceLevel level,
-                              const char* msg) const {
-  _engineStatistics.SetLastError(error, level, msg);
-}
-
 }  // namespace voe
 
 }  // namespace webrtc