Use a direct include of strings headers in net/test/, net/third_party/, net/tools/, net/udp/, net/u…

net/url_request/url_request.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 NET_URL_REQUEST_URL_REQUEST_H_
 #define NET_URL_REQUEST_URL_REQUEST_H_
 
 #include <string>
 #include <vector>
 
 #include "base/debug/leak_tracker.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
-#include "base/string16.h"
+#include "base/strings/string16.h"
 #include "base/supports_user_data.h"
 #include "base/time.h"
 #include "base/threading/non_thread_safe.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/auth.h"
 #include "net/base/completion_callback.h"
 #include "net/base/load_states.h"
 #include "net/base/load_timing_info.h"
 #include "net/base/net_export.h"
 #include "net/base/net_log.h"
@@ skipping 813 matching lines @@
   LoadTimingInfo load_timing_info_;
 
   scoped_ptr<const base::debug::StackTrace> stack_trace_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequest);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_H_