Move Requirements out of Extension Class

chrome/browser/extensions/api/requirements/requirements_api.h

+// Copyright (c) 2013 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_API_REQUIREMENTS_REQUIREMENTS_API_H_
+#define CHROME_BROWSER_EXTENSIONS_API_REQUIREMENTS_REQUIREMENTS_API_H_
+
+#include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
+
+class Profile;
+
+namespace extensions {
+
+class RequirementsAPI : public ProfileKeyedAPI {
+ public:
+  explicit RequirementsAPI(Profile* profile);
+  virtual ~RequirementsAPI();
+
+  // ProfileKeyedAPI implementation.
+  static ProfileKeyedAPIFactory<RequirementsAPI>* GetFactoryInstance();
+
+ private:
+  friend class ProfileKeyedAPIFactory<RequirementsAPI>;
+
+  // ProfileKeyedAPI implementation.
+  static const char* service_name() {
+    return "RequirementsAPI";
+  }
+  static const bool kServiceIsNULLWhileTesting = true;
+
+  DISALLOW_COPY_AND_ASSIGN(RequirementsAPI);
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_REQUIREMENTS_REQUIREMENTS_API_H_