system_wrappers: rename interface -> include

webrtc/system_wrappers/source/thread.cc

 /*
  *  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.
  */
 
-#include "webrtc/system_wrappers/interface/thread_wrapper.h"
+#include "webrtc/system_wrappers/include/thread_wrapper.h"
 
 #if defined(_WIN32)
 #include "webrtc/system_wrappers/source/thread_win.h"
 #else
 #include "webrtc/system_wrappers/source/thread_posix.h"
 #endif
 
 namespace webrtc {
 
 #if defined(_WIN32)
 typedef ThreadWindows ThreadType;
 #else
 typedef ThreadPosix ThreadType;
 #endif
 
 rtc::scoped_ptr<ThreadWrapper> ThreadWrapper::CreateThread(
     ThreadRunFunction func, void* obj, const char* thread_name) {
   return rtc::scoped_ptr<ThreadWrapper>(
       new ThreadType(func, obj, thread_name)).Pass();
 }
 
 }  // namespace webrtc