system_wrappers: rename interface -> include

webrtc/system_wrappers/source/event_timer_win.h

 /*
  *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_EVENT_WIN_H_
 #define WEBRTC_SYSTEM_WRAPPERS_SOURCE_EVENT_WIN_H_
 
 #include <windows.h>
 
-#include "webrtc/system_wrappers/interface/event_wrapper.h"
+#include "webrtc/system_wrappers/include/event_wrapper.h"
 
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 
 class EventTimerWin : public EventTimerWrapper {
  public:
   EventTimerWin();
   virtual ~EventTimerWin();
 
   virtual EventTypeWrapper Wait(unsigned long max_time);
   virtual bool Set();
 
   virtual bool StartTimer(bool periodic, unsigned long time);
   virtual bool StopTimer();
 
  private:
   HANDLE  event_;
   uint32_t timerID_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_SYSTEM_WRAPPERS_SOURCE_EVENT_WIN_H_