FBTF: Remove "obviously" unneeded standard C++ library #includes.

chrome/browser/extensions/extension_data_deleter.h

 // Copyright (c) 2010 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_EXTENSIONS_EXTENSION_DATA_DELETER_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_DATA_DELETER_H_
 #pragma once
 
-#include <string>
-
 #include "base/ref_counted.h"
+#include "base/string16.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/in_process_webkit/webkit_context.h"
 #include "chrome/common/net/url_request_context_getter.h"
 #include "googleurl/src/gurl.h"
 #include "webkit/database/database_tracker.h"
 
 class Profile;
 
 // A helper class that takes care of removing local storage, databases and
 // cookies for a given extension. This is used by
@@ skipping 35 matching lines @@
   // The security origin identifier for which we're deleting stuff.
   string16 origin_id_;
 
   // Webkit context for accessing the DOM storage helper.
   scoped_refptr<WebKitContext> webkit_context_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionDataDeleter);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_DATA_DELETER_H_