Use a direct include of strings headers in x/.

chrome/browser/ui/views/uninstall_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_UNINSTALL_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_UNINSTALL_VIEW_H_
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
-#include "base/string16.h"
+#include "base/strings/string16.h"
 #include "ui/base/models/combobox_model.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/window/dialog_delegate.h"
 
 namespace views {
 class Checkbox;
 class Combobox;
 class Label;
 }
 
@@ skipping 37 matching lines @@
   views::Checkbox* change_default_browser_;
   views::Combobox* browsers_combo_;
   scoped_ptr<BrowsersMap> browsers_;
   int& user_selection_;
   base::Closure quit_closure_;
 
   DISALLOW_COPY_AND_ASSIGN(UninstallView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_UNINSTALL_VIEW_H_