Move scoped_temp_dir from base to base/files

chrome/browser/importer/importer_unittest_utils.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_BROWSER_IMPORTER_IMPORTER_UNITTEST_UTILS_H_
 #define CHROME_BROWSER_IMPORTER_IMPORTER_UNITTEST_UTILS_H_
 
+#include "base/files/scoped_temp_dir.h"
 #include "base/message_loop.h"
-#include "base/scoped_temp_dir.h"
 #include "chrome/browser/importer/profile_writer.h"
 #include "content/public/test/test_browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace importer {
 class ImporterProgressObserver;
 }
 
 class TestingProfile;
 
@@ skipping 19 matching lines @@
 // Test fixture class providing a message loop, ui/file thread,
 // and a scoped temporary directory.
 class ImporterTest : public testing::Test {
  public:
   ImporterTest();
   virtual ~ImporterTest();
 
  protected:
   virtual void SetUp() OVERRIDE;
 
-  ScopedTempDir temp_dir_;
+  base::ScopedTempDir temp_dir_;
   scoped_ptr<TestingProfile> profile_;
 
  private:
   MessageLoopForUI message_loop_;
   content::TestBrowserThread ui_thread_;
   content::TestBrowserThread file_thread_;
 };
 
 #endif  // CHROME_BROWSER_IMPORTER_IMPORTER_UNITTEST_UTILS_H_