1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef EXTENSIONS_BROWSER_UPDATER_NULL_EXTENSION_CACHE_H_
6 #define EXTENSIONS_BROWSER_UPDATER_NULL_EXTENSION_CACHE_H_
8 #include "extensions/browser/updater/extension_cache.h"
10 namespace extensions {
12 // Implements a pass-thru (i.e. do-nothing) ExtensionCache.
13 class NullExtensionCache : public ExtensionCache {
16 ~NullExtensionCache() override;
18 // ExtensionCache implementation.
19 void Start(const base::Closure& callback) override;
20 void Shutdown(const base::Closure& callback) override;
21 void AllowCaching(const std::string& id) override;
22 bool GetExtension(const std::string& id,
23 base::FilePath* file_path,
24 std::string* version) override;
25 void PutExtension(const std::string& id,
26 const base::FilePath& file_path,
27 const std::string& version,
28 const PutExtensionCallback& callback) override;
31 DISALLOW_COPY_AND_ASSIGN(NullExtensionCache);
34 } // namespace extensions
36 #endif // EXTENSIONS_BROWSER_UPDATER_NULL_EXTENSION_CACHE_H_