Move file_util to base/files/ directory.

base/files/file_path_watcher_kqueue.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/files/file_path_watcher_kqueue.h"
 
 #include <fcntl.h>
 #include <sys/param.h>
 
 #include "base/bind.h"
-#include "base/file_util.h"
+#include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 
 // On some platforms these are not defined.
 #if !defined(EV_RECEIPT)
 #define EV_RECEIPT 0
 #endif
 #if !defined(O_EVTONLY)
 #define O_EVTONLY O_RDONLY
 #endif
@@ skipping 358 matching lines @@
     kqueue_ = -1;
     std::for_each(events_.begin(), events_.end(), ReleaseEvent);
     events_.clear();
     io_message_loop_ = NULL;
     MessageLoop::current()->RemoveDestructionObserver(this);
     callback_.Reset();
   }
 }
 
 }  // namespace base