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

chrome/browser/extensions/extension_rlz_module.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_RLZ_MODULE_H__
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_RLZ_MODULE_H__
 #pragma once
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
 
-#include <string>
-
 #include "chrome/browser/extensions/extension_function.h"
 
 class RlzRecordProductEventFunction : public SyncExtensionFunction {
   virtual bool RunImpl();
   DECLARE_EXTENSION_FUNCTION_NAME("experimental.rlz.recordProductEvent")
 };
 
 class RlzGetAccessPointRlzFunction : public SyncExtensionFunction {
   virtual bool RunImpl();
   DECLARE_EXTENSION_FUNCTION_NAME("experimental.rlz.getAccessPointRlz")
 };
 
 class RlzSendFinancialPingFunction : public SyncExtensionFunction {
   DECLARE_EXTENSION_FUNCTION_NAME("experimental.rlz.sendFinancialPing")
  // Making this function protected so that it can be overridden in tests.
  protected:
   virtual bool RunImpl();
 };
 
 class RlzClearProductStateFunction : public SyncExtensionFunction {
   virtual bool RunImpl();
   DECLARE_EXTENSION_FUNCTION_NAME("experimental.rlz.clearProductState")
 };
 
 #endif  // defined(OS_WIN)
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_RLZ_MODULE_H__