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

webrtc/voice_engine/voe_base_impl.h

Index: webrtc/voice_engine/voe_base_impl.h
diff --git a/webrtc/voice_engine/voe_base_impl.h b/webrtc/voice_engine/voe_base_impl.h
index 58e0387423a31143b17bd5ff7091c2f845653a9d..9fc18ad6660c2a14f24b6bb9df5acf407bd0a0ba 100644
--- a/webrtc/voice_engine/voe_base_impl.h
+++ b/webrtc/voice_engine/voe_base_impl.h
@@ -13,6 +13,7 @@
 
 #include "webrtc/voice_engine/include/voe_base.h"
 
+#include "webrtc/base/criticalsection.h"
 #include "webrtc/modules/include/module_common_types.h"
 #include "webrtc/voice_engine/shared_data.h"
 
@@ -138,7 +139,7 @@ class VoEBaseImpl : public VoEBase,
   // channel.
   int InitializeChannel(voe::ChannelOwner* channel_owner);
   VoiceEngineObserver* voiceEngineObserverPtr_;
-  CriticalSectionWrapper& callbackCritSect_;
+  rtc::CriticalSection callbackCritSect_;
 
   AudioFrame audioFrame_;
   voe::SharedData* shared_;