Use a direct include of utf_string_conversions.h in chrome/browser/, part 2.

chrome/browser/notifications/desktop_notification_service.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 "chrome/browser/notifications/desktop_notification_service.h"
 
 #include "base/metrics/histogram.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread.h"
-#include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/content_settings/content_settings_details.h"
 #include "chrome/browser/content_settings/content_settings_provider.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/extensions/extension_info_map.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/infobars/confirm_infobar_delegate.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
@@ skipping 609 matching lines @@
     const content::NotificationDetails& details) {
   DCHECK_EQ(chrome::NOTIFICATION_EXTENSION_UNINSTALLED, type);
 
   extensions::Extension* extension =
       content::Details<extensions::Extension>(details).ptr();
   if (IsExtensionEnabled(extension->id()))
     return;
 
   SetExtensionEnabled(extension->id(), true);
 }