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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_BROWSER_UPDATER_NULL_EXTENSION_CACHE_H_
#define EXTENSIONS_BROWSER_UPDATER_NULL_EXTENSION_CACHE_H_
#include <string>
#include "extensions/browser/updater/extension_cache.h"
namespace extensions {
// Implements a pass-thru (i.e. do-nothing) ExtensionCache.
class NullExtensionCache : public ExtensionCache {
public:
NullExtensionCache();
NullExtensionCache(const NullExtensionCache&) = delete;
NullExtensionCache& operator=(const NullExtensionCache&) = delete;
~NullExtensionCache() override;
// ExtensionCache implementation.
void Start(base::OnceClosure callback) override;
void Shutdown(base::OnceClosure callback) override;
void AllowCaching(const std::string& id) override;
bool GetExtension(const std::string& id,
const std::string& expected_hash,
base::FilePath* file_path,
std::string* version) override;
void PutExtension(const std::string& id,
const std::string& expected_hash,
const base::FilePath& file_path,
const std::string& version,
PutExtensionCallback callback) override;
bool OnInstallFailed(const std::string& id,
const std::string& hash,
const CrxInstallError& error) override;
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_UPDATER_NULL_EXTENSION_CACHE_H_
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