Move scoped_temp_dir from base to base/files

chrome/test/chromedriver/chrome_launcher_impl.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/test/chromedriver/chrome_launcher_impl.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/file_path.h"
@@ skipping 13 matching lines @@
     scoped_ptr<Chrome>* chrome) {
   FilePath program = chrome_exe;
   if (program.empty()) {
     if (!FindChrome(&program))
       return Status(kUnknownError, "cannot find Chrome binary");
   }
 
   CommandLine command(program);
   command.AppendSwitch("enable-logging");
   command.AppendSwitchASCII("logging-level", "1");
-  ScopedTempDir user_data_dir;
+  base::ScopedTempDir user_data_dir;
   if (!user_data_dir.CreateUniqueTempDir())
     return Status(kUnknownError, "cannot create temp dir for user data dir");
   command.AppendSwitchPath("user-data-dir", user_data_dir.path());
   command.AppendArg("about:blank");
 
   base::LaunchOptions options;
   base::ProcessHandle process;
   if (!base::LaunchProcess(command, options, &process))
     return Status(kUnknownError, "chrome failed to start");
   chrome->reset(new ChromeImpl(process, &user_data_dir));
 
   return Status(kOk);
 }