Move scoped_temp_dir from base to base/files

chrome/test/chromedriver/chrome_impl.h

 // 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.
 
 #ifndef CHROME_TEST_CHROMEDRIVER_CHROME_IMPL_H_
 #define CHROME_TEST_CHROMEDRIVER_CHROME_IMPL_H_
 
 #include "base/compiler_specific.h"
+#include "base/files/scoped_temp_dir.h"
 #include "base/process.h"
-#include "base/scoped_temp_dir.h"
 #include "chrome/test/chromedriver/chrome.h"
 
 class Status;
 
 class ChromeImpl : public Chrome {
  public:
-  ChromeImpl(base::ProcessHandle process, ScopedTempDir* user_data_dir);
+  ChromeImpl(base::ProcessHandle process, base::ScopedTempDir* user_data_dir);
   virtual ~ChromeImpl();
 
   // Overridden from Chrome:
   virtual Status Quit() OVERRIDE;
 
  private:
   base::ProcessHandle process_;
-  ScopedTempDir user_data_dir_;
+  base::ScopedTempDir user_data_dir_;
 };
 
 #endif  // CHROME_TEST_CHROMEDRIVER_CHROME_IMPL_H_