components/keyed_service/core/dependency_node.h

   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.
   9 class 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_