Move FileWatcher from src/base/ to src/chrome/browser/ and switch

chrome/browser/file_watcher_stub.cc

 // Copyright (c) 2009 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.
 
 // This file exists for Linux systems which don't have the inotify headers, and
 // thus cannot build file_watcher_inotify.cc
 
-#include "base/file_watcher.h"
+#include "chrome/browser/file_watcher.h"
 
 class FileWatcherImpl : public FileWatcher::PlatformDelegate {
  public:
-  virtual bool Watch(const FilePath& path, FileWatcher::Delegate* delegate,
-                     MessageLoop* backend_loop) {
+  virtual bool Watch(const FilePath& path, FileWatcher::Delegate* delegate) {
     return false;
   }
 };
 
 FileWatcher::FileWatcher() {
   impl_ = new FileWatcherImpl();
 }