iwyu: Include stringprintf.h where appropriate, part 2.

chrome/browser/net/url_info.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/net/url_info.h"
 
 #include <math.h>
 
 #include <algorithm>
 #include <string>
 
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
-#include "base/string_util.h"
+#include "base/stringprintf.h"
 
 using base::Time;
 using base::TimeDelta;
 using base::TimeTicks;
 
 namespace chrome_browser_net {
 
 static bool detailed_logging_enabled = false;
 
 // Use command line switch to enable detailed logging.
@@ skipping 314 matching lines @@
 
     case LEARNED_REFERAL_MOTIVATED:
       return RemoveJs(referring_url_.spec());
 
     default:
       return "";
   }
 }
 
 }  // namespace chrome_browser_net