Replace scoped_ptr with unique_ptr in webrtc/modules/audio_device/

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 de8df0be1bae369b5ccf4cfd638da4c185230d95..a0a15e5f0e7122fdd12686ec230c3b61b294da6c 100644
--- a/webrtc/modules/audio_device/linux/audio_device_pulse_linux.h
+++ b/webrtc/modules/audio_device/linux/audio_device_pulse_linux.h
@@ -11,6 +11,8 @@
 #ifndef WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_PULSE_LINUX_H
 #define WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_PULSE_LINUX_H
 
+#include <memory>
+
 #include "webrtc/base/platform_thread.h"
 #include "webrtc/base/thread_checker.h"
 #include "webrtc/modules/audio_device/audio_device_generic.h"
@@ -284,9 +286,9 @@ private:
     EventWrapper& _recStartEvent;
     EventWrapper& _playStartEvent;
 
-    // TODO(pbos): Remove scoped_ptr and use directly without resetting.
-    rtc::scoped_ptr<rtc::PlatformThread> _ptrThreadPlay;
-    rtc::scoped_ptr<rtc::PlatformThread> _ptrThreadRec;
+    // TODO(pbos): Remove unique_ptr and use directly without resetting.
+    std::unique_ptr<rtc::PlatformThread> _ptrThreadPlay;
+    std::unique_ptr<rtc::PlatformThread> _ptrThreadRec;
     int32_t _id;
 
     AudioMixerManagerLinuxPulse _mixerManager;