[Cleanup] Remove StringPrintf from global namespace

chrome/test/reliability/page_load_test.cc

 // 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.
 //
 // This file provides reliablity test which runs under UI test framework. The
 // test is intended to run within QEMU environment.
 //
 // Usage 1: reliability_test
 // Upon invocation, it visits a hard coded list of sample URLs. This is mainly
 // used by buildbot, to verify reliability_test itself runs ok.
@@ skipping 440 matching lines @@
     return do_log;
   }
 
   void NavigateThroughPageID(std::ofstream& log_file) {
     if (g_append_page_id) {
       // For usage 2
       for (int i = g_start_page; i <= g_end_page; ++i) {
         const char* server = g_server_url.empty() ? kDefaultServerUrl :
             g_server_url.c_str();
         std::string test_page_url(
-            StringPrintf("%s/page?id=%d", server, i));
+            base::StringPrintf("%s/page?id=%d", server, i));
         NavigateToURLLogResult(
             test_page_url, log_file, NULL, g_continuous_load, false);
       }
     } else {
       // Don't run if running as a standalone program which is for distributed
       // testing, to avoid mistakenly hitting web sites with many instances.
       if (g_stand_alone)
         return;
       // For usage 1
       NavigationMetrics metrics;
@@ skipping 339 matching lines @@
   if (!g_end_url.empty()) {
     NavigateToURLLogResult(
         g_end_url, log_file, NULL, g_continuous_load, false);
   }
 
   log_file.close();
 }
 
 }  // namespace