Use a direct include of strings headers in chrome/browser/ui/cocoa/.

chrome/browser/ui/cocoa/history_menu_bridge.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.
 
 #include "chrome/browser/ui/cocoa/history_menu_bridge.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/stl_util.h"
-#include "base/string_util.h"
 #include "base/strings/string_number_conversions.h"
+#include "base/strings/string_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"  // IDC_HISTORY_MENU
 #import "chrome/browser/app_controller_mac.h"
 #include "chrome/browser/favicon/favicon_service_factory.h"
 #include "chrome/browser/favicon/favicon_types.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/history/page_usage_data.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/session_types.h"
 #include "chrome/browser/sessions/tab_restore_service_factory.h"
@@ skipping 467 matching lines @@
 }
 
 void HistoryMenuBridge::CancelFaviconRequest(HistoryItem* item) {
   DCHECK(item);
   if (item->icon_requested) {
     cancelable_task_tracker_.TryCancel(item->icon_task_id);
     item->icon_requested = false;
     item->icon_task_id = CancelableTaskTracker::kBadTaskId;
   }
 }