Move FilePathWatcher to base/files.

chrome/common/service_process_util_mac.mm

 // Copyright (c) 2011 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 "chrome/common/service_process_util_posix.h"
 
 #import <Foundation/Foundation.h>
 #include <launch.h>
 
 #include <vector>
@@ skipping 62 matching lines @@
 
 bool RemoveFromLaunchd() {
   // We're killing a file.
   base::ThreadRestrictions::AssertIOAllowed();
   base::mac::ScopedCFTypeRef<CFStringRef> name(CopyServiceProcessLaunchDName());
   return Launchd::GetInstance()->DeletePlist(Launchd::User,
                                              Launchd::Agent,
                                              name);
 }
 
-class ExecFilePathWatcherDelegate : public FilePathWatcher::Delegate {
+class ExecFilePathWatcherDelegate
+    : public base::files::FilePathWatcher::Delegate {
  public:
   ExecFilePathWatcherDelegate() { }
   virtual ~ExecFilePathWatcherDelegate() { }
 
   bool Init(const FilePath& path);
   virtual void OnFilePathChanged(const FilePath& path) OVERRIDE;
 
  private:
   FSRef executable_fsref_;
 };
@@ skipping 339 matching lines @@
       CFErrorRef err = NULL;
       if (!Launchd::GetInstance()->RemoveJob(label, &err)) {
         base::mac::ScopedCFTypeRef<CFErrorRef> scoped_err(err);
         LOG(ERROR) << "RemoveJob " << err;
         // Exiting with zero, so launchd doesn't restart the process.
         exit(0);
       }
     }
   }
 }