base: Fix the TODO in string_util.h

chrome_frame/ready_mode/internal/registry_ready_mode_state.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_frame/ready_mode/internal/registry_ready_mode_state.h"
 
 #include <windows.h>
 
 #include "base/logging.h"
 #include "base/process_util.h"
 #include "base/string_util.h"
+#include "base/stringprintf.h"
 #include "base/time.h"
 #include "base/task.h"
 #include "base/win/registry.h"
 #include "base/win/scoped_comptr.h"
 #include "base/win/scoped_handle.h"
 #include "base/win/windows_version.h"
 #include "chrome/installer/util/browser_distribution.h"
 #include "chrome/installer/util/google_update_constants.h"
 #include "chrome/installer/util/master_preferences.h"
 #include "chrome/installer/util/util_constants.h"
@@ skipping 224 matching lines @@
 
 void RegistryReadyModeState::PermanentlyDeclineChromeFrame() {
   if (LaunchAndCheckCommand(google_update::kRegCFOptOutCmdField))
     RefreshStateAndNotify();
 }
 
 void RegistryReadyModeState::AcceptChromeFrame() {
   if (LaunchAndCheckCommand(google_update::kRegCFOptInCmdField))
     NotifyObserver();
 }