Enable sync for the settings from the Extension Settings API.

chrome/browser/extensions/extension_settings_storage_unittest.h

 // Copyright (c) 2011 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_EXTENSIONS_EXTENSION_SETTINGS_STORAGE_UNITTEST_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SETTINGS_STORAGE_UNITTEST_H_
 #pragma once
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
+#include "base/scoped_temp_dir.h"
 #include "base/task.h"
 #include "chrome/browser/extensions/extension_settings.h"
 #include "content/browser/browser_thread.h"
 
 // Parameter type for the value-parameterized tests.
 typedef ExtensionSettingsStorage* (*ExtensionSettingsStorageTestParam)(
-    ExtensionSettings* settings, const std::string& extension_id);
+    const ExtensionSettings& settings, const std::string& extension_id);
 
 // Test fixture for ExtensionSettingsStorage tests.  Tests are defined in
 // extension_settings_storage_unittest.cc with configurations for both cached
 // and non-cached leveldb storage, and cached no-op storage.
 class ExtensionSettingsStorageTest
   : public testing::TestWithParam<ExtensionSettingsStorageTestParam> {
  public:
   ExtensionSettingsStorageTest();
   virtual ~ExtensionSettingsStorageTest();
 
   virtual void SetUp() OVERRIDE;
+  virtual void TearDown() OVERRIDE;
 
  protected:
   ExtensionSettingsStorage* storage_;
 
   std::string key1_;
   std::string key2_;
   std::string key3_;
 
   scoped_ptr<Value> val1_;
   scoped_ptr<Value> val2_;
   scoped_ptr<Value> val3_;
 
   std::vector<std::string> empty_list_;
   std::vector<std::string> list1_;
   std::vector<std::string> list2_;
   std::vector<std::string> list12_;
   std::vector<std::string> list13_;
   std::vector<std::string> list123_;
 
   scoped_ptr<DictionaryValue> empty_dict_;
   scoped_ptr<DictionaryValue> dict1_;
   scoped_ptr<DictionaryValue> dict12_;
   scoped_ptr<DictionaryValue> dict123_;
 
  private:
-  scoped_refptr<ExtensionSettings> settings_;
+  ScopedTempDir temp_dir_;
+  scoped_ptr<ExtensionSettings> settings_;
 
   // Need these so that the DCHECKs for running on FILE or UI threads pass.
-  scoped_ptr<MessageLoopForUI> ui_message_loop_;
-  scoped_ptr<BrowserThread> ui_thread_;
-  scoped_ptr<BrowserThread> file_thread_;
+  MessageLoop message_loop_;
+  BrowserThread ui_thread_;
+  BrowserThread file_thread_;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SETTINGS_STORAGE_UNITTEST_H_