Use a direct include of strings headers in chrome_frame/.

chrome_frame/test_utils.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.
 
 #include "chrome_frame/test_utils.h"
 
 #include <atlbase.h>
 #include <atlwin.h>
 #include <shellapi.h>
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/win/scoped_handle.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome_frame/test/chrome_frame_test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 const wchar_t kChromeFrameDllName[] = L"npchrome_frame.dll";
 const wchar_t kChromeLauncherExeName[] = L"chrome_launcher.exe";
 // How long to wait for DLLs to register or unregister themselves before killing
@@ skipping 247 matching lines @@
       UOI_NAME,
       name,
       sizeof(name),
       &needed)) {
         is_locked = lstrcmpi(name, L"default") != 0;
     }
     ::CloseDesktop(input_desk);
   }
   return is_locked;
 }