Move ThreadWrapper to ProcessThread in base.

webrtc/modules/audio_device/linux/audio_device_pulse_linux.h

Index: webrtc/modules/audio_device/linux/audio_device_pulse_linux.h
diff --git a/webrtc/modules/audio_device/linux/audio_device_pulse_linux.h b/webrtc/modules/audio_device/linux/audio_device_pulse_linux.h
index 718331188dc5ac91a6ac9a9b71e469ba851350f5..263d42da3af7c58f8c5cd3ff375f172304ded11b 100644
--- a/webrtc/modules/audio_device/linux/audio_device_pulse_linux.h
+++ b/webrtc/modules/audio_device/linux/audio_device_pulse_linux.h
@@ -11,11 +11,11 @@
 #ifndef WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_PULSE_LINUX_H
 #define WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_PULSE_LINUX_H
 
+#include "webrtc/base/platform_thread.h"
+#include "webrtc/base/thread_checker.h"
 #include "webrtc/modules/audio_device/audio_device_generic.h"
 #include "webrtc/modules/audio_device/linux/audio_mixer_manager_pulse_linux.h"
 #include "webrtc/system_wrappers/include/critical_section_wrapper.h"
-#include "webrtc/system_wrappers/include/thread_wrapper.h"
-#include "webrtc/base/thread_checker.h"
 
 #include <X11/Xlib.h>
 #include <pulse/pulseaudio.h>
@@ -284,8 +284,8 @@ private:
     EventWrapper& _recStartEvent;
     EventWrapper& _playStartEvent;
 
-    rtc::scoped_ptr<ThreadWrapper> _ptrThreadPlay;
-    rtc::scoped_ptr<ThreadWrapper> _ptrThreadRec;
+    rtc::scoped_ptr<PlatformThread> _ptrThreadPlay;
+    rtc::scoped_ptr<PlatformThread> _ptrThreadRec;
     int32_t _id;
 
     AudioMixerManagerLinuxPulse _mixerManager;