iwyu: Include stringprintf.h where appropriate, part 3.

chrome/browser/visitedlink/visitedlink_perftest.cc

 // 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.
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/perftimer.h"
 #include "base/shared_memory.h"
-#include "base/string_util.h"
+#include "base/stringprintf.h"
 #include "base/test/test_file_util.h"
 #include "chrome/browser/visitedlink/visitedlink_master.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::TimeDelta;
 
 namespace {
 
 // how we generate URLs, note that the two strings should be the same length
 const int add_count = 10000;
 const int load_test_add_count = 250000;
 const char added_prefix[] = "http://www.google.com/stuff/something/foo?session=85025602345625&id=1345142319023&seq=";
 const char unadded_prefix[] = "http://www.google.org/stuff/something/foo?session=39586739476365&id=2347624314402&seq=";
 
 // Returns a URL with the given prefix and index
 GURL TestURL(const char* prefix, int i) {
-  return GURL(StringPrintf("%s%d", prefix, i));
+  return GURL(base::StringPrintf("%s%d", prefix, i));
 }
 
 // We have no slaves, so all methods on this listener are a no-ops.
 class DummyVisitedLinkEventListener : public VisitedLinkMaster::Listener {
  public:
   DummyVisitedLinkEventListener() {}
   virtual void NewTable(base::SharedMemory* table) {}
   virtual void Add(VisitedLinkCommon::Fingerprint) {}
   virtual void Reset() {}
 
@@ skipping 147 matching lines @@
   double cold_sum = 0, hot_sum = 0;
   for (int i = 0; i < static_cast<int>(cold_load_times.size()); i++) {
     cold_sum += cold_load_times[i];
     hot_sum += hot_load_times[i];
   }
   LogPerfResult("Visited_link_cold_load_time",
                 cold_sum / cold_load_times.size(), "ms");
   LogPerfResult("Visited_link_hot_load_time",
                 hot_sum / hot_load_times.size(), "ms");
 }