Swap use of CriticalSectionWrapper with rtc::CriticalSection in voice_engine/

webrtc/voice_engine/statistics.h

Index: webrtc/voice_engine/statistics.h
diff --git a/webrtc/voice_engine/statistics.h b/webrtc/voice_engine/statistics.h
index 3dab91625d16920825822ae25c388d948e71e2fc..e853e6854e7a65a32fba073217bdabf65fa66699 100644
--- a/webrtc/voice_engine/statistics.h
+++ b/webrtc/voice_engine/statistics.h
@@ -11,14 +11,13 @@
 #ifndef WEBRTC_VOICE_ENGINE_STATISTICS_H
 #define WEBRTC_VOICE_ENGINE_STATISTICS_H
 
+#include "webrtc/base/criticalsection.h"
 #include "webrtc/common_types.h"
 #include "webrtc/typedefs.h"
 #include "webrtc/voice_engine/include/voe_errors.h"
 #include "webrtc/voice_engine/voice_engine_defines.h"
 
 namespace webrtc {
-class CriticalSectionWrapper;
-
 namespace voe {
 
 class Statistics
@@ -40,7 +39,7 @@ class Statistics
     int32_t LastError() const;
 
  private:
-    CriticalSectionWrapper* _critPtr;
+    mutable rtc::CriticalSection lock_;
     const uint32_t _instanceId;
     mutable int32_t _lastError;
     bool _isInitialized;