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

chrome/browser/chromeos/status/network_menu.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_STATUS_NETWORK_MENU_H_
 #define CHROME_BROWSER_CHROMEOS_STATUS_NETWORK_MENU_H_
 
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
-#include "base/string16.h"
+#include "base/strings/string16.h"
 #include "ui/gfx/native_widget_types.h"  // gfx::NativeWindow
 
 class Browser;
 
 namespace ui {
 class MenuModel;
 }
 
 namespace views {
 class MenuItemView;
@@ skipping 72 matching lines @@
   // without worrying that they will actually try to happen after the lifetime
   // of this object.
   base::WeakPtrFactory<NetworkMenu> weak_pointer_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkMenu);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_STATUS_NETWORK_MENU_H_