Move scoped_temp_dir from base to base/files

chrome/browser/extensions/app_notification_manager_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/bind.h"
 #include "base/message_loop.h"
 #include "chrome/browser/extensions/app_notification_manager.h"
 #include "chrome/browser/extensions/app_notification_test_util.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/extensions/extension.h"
@@ skipping 52 matching lines @@
   static void WaitForFileThread() {
     BrowserThread::PostTask(BrowserThread::FILE,
                             FROM_HERE,
                             base::Bind(&PostQuitToUIThread));
     MessageLoop::current()->Run();
   }
 
   MessageLoop ui_loop_;
   content::TestBrowserThread ui_thread_;
   content::TestBrowserThread file_thread_;
-  ScopedTempDir temp_dir_;
+  base::ScopedTempDir temp_dir_;
   scoped_ptr<TestingProfile> profile_;
   scoped_refptr<AppNotificationManager> mgr_;
 };
 
 TEST_F(AppNotificationManagerTest, Simple) {
   std::string id = extension_test_util::MakeId("whatever");
   AppNotificationList list;
   util::AddNotifications(&list, id, 2, "foo");
   EXPECT_TRUE(util::AddCopiesFromList(mgr_.get(), list));
 
@@ skipping 39 matching lines @@
       content::Source<Profile>(profile_.get()),
       content::Details<const Extension>(extension1.get()));
 
   // The id1 items should be gone but the id2 items should still be there.
   EXPECT_EQ(NULL, mgr_->GetLast(id1));
   EXPECT_EQ(NULL, mgr_->GetAll(id1));
   util::ExpectListsEqual(list2, *mgr_->GetAll(id2));
 }
 
 }  // namespace extensions