Implement an initial 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/file_util.h"
+#include "base/message_loop.h"
+#include "base/task.h"
+#include "chrome/browser/extensions/extension_settings.h"
+#include "content/browser/browser_thread.h"
+
+// Test fixture for ExtensionSettingsStorage tests.
+// Tests are defined in extension_settings_storage_unittest.cc and run using
+// gtest's test fixtures feature for storage types LEVELDB, LEVELDB|CACHED, and
+// NOOP|CACHED.
+class ExtensionSettingsStorageTest : public testing::TestWithParam<int> {
+ public:
+  void SetUp();
+  void TearDown();
+
+ protected:
+  ExtensionSettingsStorage* storage_;
+
+ private:
+  ExtensionSettings* settings_;
+  MessageLoopForUI* ui_message_loop_;
+  BrowserThread* ui_thread_;
+  BrowserThread* file_thread_;
+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SETTINGS_STORAGE_UNITTEST_H_