Use a direct include of strings headers in chrome_frame/.

chrome_frame/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 tests which run for ChromeFrame.
 //
 // Usage:
 // <reliability test exe> --list=file --startline=start --endline=end [...]
 // Upon invocation, it visits each of the URLs on line numbers between start
 // and end, inclusive, stored in the input file. The line number starts from 1.
@@ skipping 15 matching lines @@
 #include "base/file_util.h"
 #include "base/file_version_info.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_path.h"
 #include "base/i18n/time_formatting.h"
 #include "base/path_service.h"
 #include "base/prefs/json_pref_store.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/pref_value_store.h"
-#include "base/string_number_conversions.h"
-#include "base/string_util.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/test_file_util.h"
 #include "base/time.h"
 #include "chrome/browser/net/url_fixer_upper.h"
 #include "chrome/browser/prefs/pref_service_mock_builder.h"
 #include "chrome/common/automation_messages.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_paths_internal.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 540 matching lines @@
         CommandLine v8_command_line(
             parsed_command_line.GetSwitchValuePath(switches::kJavaScriptFlags));
         if (v8_command_line.HasSwitch(kV8LogFileSwitch)) {
           g_v8_log_path = base::MakeAbsoluteFilePath(
               v8_command_line.GetSwitchValuePath(kV8LogFileSwitch));
         }
       }
     }
   }
 }