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

chrome/test/automation/window_proxy.h

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// 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_TEST_AUTOMATION_WINDOW_PROXY_H__
 #define CHROME_TEST_AUTOMATION_WINDOW_PROXY_H__
 #pragma once
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
-#include <string>
-
 #include "base/keyboard_codes.h"
 #include "base/string16.h"
 #include "base/thread.h"
 #include "chrome/test/automation/automation_handle_tracker.h"
 
 class BrowserProxy;
 class WindowProxy;
 
 namespace gfx {
   class Point;
@@ skipping 76 matching lines @@
   // before the specified timeout.
   scoped_refptr<BrowserProxy> GetBrowserWithTimeout(uint32 timeout_ms,
       bool* is_timeout);
  protected:
   virtual ~WindowProxy() {}
  private:
   DISALLOW_COPY_AND_ASSIGN(WindowProxy);
 };
 
 #endif  // CHROME_TEST_AUTOMATION_WINDOW_PROXY_H__