Remove more CriticalSectionWrappers.

webrtc/modules/audio_device/dummy/file_audio_device.cc

Index: webrtc/modules/audio_device/dummy/file_audio_device.cc
diff --git a/webrtc/modules/audio_device/dummy/file_audio_device.cc b/webrtc/modules/audio_device/dummy/file_audio_device.cc
index 3dcb1384e7871158510d8b5986d5f413a0cf4271..92b09e0a9d1ce175174691b7fbeb6f40e02eef75 100644
--- a/webrtc/modules/audio_device/dummy/file_audio_device.cc
+++ b/webrtc/modules/audio_device/dummy/file_audio_device.cc
@@ -33,7 +33,6 @@ FileAudioDevice::FileAudioDevice(const int32_t id,
     _playoutBuffer(NULL),
     _recordingFramesLeft(0),
     _playoutFramesLeft(0),
-    _critSect(*CriticalSectionWrapper::CreateCriticalSection()),
     _recordingBufferSizeIn10MS(0),
     _recordingFramesIn10MS(0),
     _playoutFramesIn10MS(0),
@@ -161,7 +160,7 @@ int32_t FileAudioDevice::RecordingIsAvailable(bool& available) {
 }
 
 int32_t FileAudioDevice::InitRecording() {
-  CriticalSectionScoped lock(&_critSect);
+  rtc::CritScope lock(&_critSect);
 
   if (_recording) {
     return -1;
@@ -219,7 +218,7 @@ int32_t FileAudioDevice::StartPlayout() {
 
 int32_t FileAudioDevice::StopPlayout() {
   {
-      CriticalSectionScoped lock(&_critSect);
+      rtc::CritScope lock(&_critSect);
       _playing = false;
   }
 
@@ -229,7 +228,7 @@ int32_t FileAudioDevice::StopPlayout() {
       _ptrThreadPlay.reset();
   }
 
-  CriticalSectionScoped lock(&_critSect);
+  rtc::CritScope lock(&_critSect);
 
   _playoutFramesLeft = 0;
   delete [] _playoutBuffer;
@@ -280,7 +279,7 @@ int32_t FileAudioDevice::StartRecording() {
 
 int32_t FileAudioDevice::StopRecording() {
   {
-    CriticalSectionScoped lock(&_critSect);
+    rtc::CritScope lock(&_critSect);
     _recording = false;
   }
 
@@ -289,7 +288,7 @@ int32_t FileAudioDevice::StopRecording() {
       _ptrThreadRec.reset();
   }
 
-  CriticalSectionScoped lock(&_critSect);
+  rtc::CritScope lock(&_critSect);
   _recordingFramesLeft = 0;
   if (_recordingBuffer) {
       delete [] _recordingBuffer;
@@ -456,7 +455,7 @@ void FileAudioDevice::ClearRecordingWarning() {}
 void FileAudioDevice::ClearRecordingError() {}
 
 void FileAudioDevice::AttachAudioBuffer(AudioDeviceBuffer* audioBuffer) {
-  CriticalSectionScoped lock(&_critSect);
+  rtc::CritScope lock(&_critSect);
 
   _ptrAudioBuffer = audioBuffer;