Use a direct include of strings headers in x/.

chrome/browser/ui/views/website_settings/permission_selector_view.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_UI_VIEWS_WEBSITE_SETTINGS_PERMISSION_SELECTOR_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_WEBSITE_SETTINGS_PERMISSION_SELECTOR_VIEW_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
-#include "base/string16.h"
+#include "base/strings/string16.h"
 #include "chrome/browser/ui/views/website_settings/permission_selector_view_observer.h"
 #include "chrome/browser/ui/website_settings/permission_menu_model.h"
 #include "chrome/common/content_settings.h"
 #include "chrome/common/content_settings_types.h"
 #include "ui/views/controls/button/menu_button_listener.h"
 #include "ui/views/view.h"
 
 namespace internal {
 class PermissionMenuButton;
 }
@@ skipping 46 matching lines @@
 
   // The currently active setting for the permission |type_|.
   ContentSetting current_setting_;
 
   ObserverList<PermissionSelectorViewObserver, false> observer_list_;
 
   DISALLOW_COPY_AND_ASSIGN(PermissionSelectorView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_WEBSITE_SETTINGS_PERMISSION_SELECTOR_VIEW_H_