Subject .mm files to the header sorting presubmit

chrome/browser/mac/dock.mm

 // 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.
 
 #import "chrome/browser/mac/dock.h"
 
 #include <ApplicationServices/ApplicationServices.h>
+#include <CoreFoundation/CoreFoundation.h>
 #import <Foundation/Foundation.h>
-#include <CoreFoundation/CoreFoundation.h>
 #include <signal.h>
 
 #include "base/logging.h"
 #include "base/mac/foundation_util.h"
 #include "base/mac/launchd.h"
 #include "base/mac/mac_logging.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/strings/sys_string_conversions.h"
 
@@ skipping 310 matching lines @@
 
   // Rewrite the plist.
   [dock_plist setObject:persistent_apps forKey:kDockPersistentAppsKey];
   [user_defaults setPersistentDomain:dock_plist forName:kDockDomain];
 
   Restart();
   return IconAddSuccess;
 }
 
 }  // namespace dock