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

chrome/test/browser_with_test_window_test.h

Index: chrome/test/browser_with_test_window_test.h
diff --git a/chrome/test/browser_with_test_window_test.h b/chrome/test/browser_with_test_window_test.h
index d4037c47c6f35286079f87297ebea4e19d941034..ae85634e630f363951cc568d9d0f4f2461b5609c 100644
--- a/chrome/test/browser_with_test_window_test.h
+++ b/chrome/test/browser_with_test_window_test.h
@@ -1,4 +1,4 @@
-// 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.
 
@@ -6,8 +6,6 @@
 #define CHROME_TEST_BROWSER_WITH_TEST_WINDOW_TEST_H_
 #pragma once
 
-#include <string>
-
 #include "base/message_loop.h"
 #include "chrome/browser/renderer_host/test/test_render_view_host.h"
 #include "chrome/test/test_browser_window.h"