Move scoped_temp_dir from base to base/files

chrome/browser/download/download_path_reservation_tracker_unittest.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 "base/file_path.h"
 #include "base/file_util.h"
+#include "base/files/scoped_temp_dir.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop.h"
 #include "base/observer_list.h"
-#include "base/scoped_temp_dir.h"
 #include "base/test/test_file_util.h"
 #include "chrome/browser/download/download_path_reservation_tracker.h"
 #include "chrome/browser/download/download_util.h"
 #include "content/public/test/mock_download_item.h"
 #include "content/public/test/test_browser_thread.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using content::BrowserThread;
 using content::DownloadId;
@@ skipping 56 matching lines @@
                            FilePath* return_path, bool* return_verified);
 
   const FilePath& default_download_path() const {
     return default_download_path_;
   }
   void set_default_download_path(const FilePath& path) {
     default_download_path_ = path;
   }
 
  protected:
-  ScopedTempDir test_download_dir_;
+  base::ScopedTempDir test_download_dir_;
   FilePath default_download_path_;
   MessageLoopForUI message_loop_;
   content::TestBrowserThread ui_thread_;
   content::TestBrowserThread file_thread_;
 
  private:
   void TestReservedPathCallback(FilePath* return_path, bool* return_verified,
                                 bool* did_run_callback,
                                 const FilePath& path, bool verified);
 };
@@ skipping 319 matching lines @@
   item->UpdateObservers();
   message_loop_.RunAllPending();
   EXPECT_FALSE(IsPathInUse(path));
   EXPECT_TRUE(IsPathInUse(new_target_path));
 
   // Destroying the item should release the reservation.
   item.reset();
   message_loop_.RunAllPending();
   EXPECT_FALSE(IsPathInUse(new_target_path));
 }