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. 4 5#ifndef COMPONENTS_KEYED_SERVICE_CORE_DEPENDENCY_NODE_H_ 6#define COMPONENTS_KEYED_SERVICE_CORE_DEPENDENCY_NODE_H_ 7 8// Base class representing a node in a DependencyGraph. 9class DependencyNode { 10 protected: 11 // This is intended to be used by the subclasses, not directly. 12 DependencyNode() {} 13 ~DependencyNode() {} 14}; 15 16#endif // COMPONENTS_KEYED_SERVICE_CORE_DEPENDENCY_NODE_H_ 17