Replace FileWrapper with File (in audio_device)

webrtc/modules/audio_device/audio_device_buffer.h

Index: webrtc/modules/audio_device/audio_device_buffer.h
diff --git a/webrtc/modules/audio_device/audio_device_buffer.h b/webrtc/modules/audio_device/audio_device_buffer.h
index 5805db7743c7f7ccc43d4c84ee1604dfa019d33f..7dc224931b4162230637aed0dd9b0e8ed920fbc3 100644
--- a/webrtc/modules/audio_device/audio_device_buffer.h
+++ b/webrtc/modules/audio_device/audio_device_buffer.h
@@ -16,7 +16,6 @@
 #include "webrtc/base/task_queue.h"
 #include "webrtc/base/thread_checker.h"
 #include "webrtc/modules/audio_device/include/audio_device.h"
-#include "webrtc/system_wrappers/include/file_wrapper.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
@@ -33,7 +32,7 @@ class AudioDeviceBuffer {
   AudioDeviceBuffer();
   virtual ~AudioDeviceBuffer();
 
-  void SetId(uint32_t id) {};
+  void SetId(uint32_t id) {}
   int32_t RegisterAudioCallback(AudioTransport* audio_callback);
 
   int32_t InitPlayout();