Move PathExists to base namespace.

base/files/file_path_watcher_linux.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.h"
 
 #include <errno.h>
 #include <string.h>
 #include <sys/inotify.h>
 #include <sys/ioctl.h>
@@ skipping 333 matching lines @@
       // Report the following events:
       //  - The target or a direct child of the target got changed (in case the
       //    watched path refers to a directory).
       //  - One of the parent directories got moved or deleted, since the target
       //    disappears in this case.
       //  - One of the parent directories appears. The event corresponding to
       //    the target appearing might have been missed in this case, so
       //    recheck.
       if (target_changed ||
           (change_on_target_path && !created) ||
-          (change_on_target_path && file_util::PathExists(target_))) {
+          (change_on_target_path && PathExists(target_))) {
         callback_.Run(target_, false);
         return;
       }
     }
   }
 }
 
 bool FilePathWatcherImpl::Watch(const FilePath& path,
                                 bool recursive,
                                 const FilePathWatcher::Callback& callback) {
@@ skipping 113 matching lines @@
   return true;
 }
 
 }  // namespace
 
 FilePathWatcher::FilePathWatcher() {
   impl_ = new FilePathWatcherImpl();
 }
 
 }  // namespace base