| // Copyright 2017 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_UI_TOOLBAR_COMPONENT_ACTION_DELEGATE_H_ | 
 | #define CHROME_BROWSER_UI_TOOLBAR_COMPONENT_ACTION_DELEGATE_H_ | 
 |  | 
 | #include <string> | 
 |  | 
 | // Manages component actions in the toolbar model. | 
 | class ComponentActionDelegate { | 
 |  public: | 
 |   virtual ~ComponentActionDelegate() {} | 
 |  | 
 |   // Adds or removes the component action labeled by |action_id| from the | 
 |   // toolbar model. The caller must not add the same action twice. | 
 |   virtual void AddComponentAction(const std::string& action_id) = 0; | 
 |   virtual void RemoveComponentAction(const std::string& action_id) = 0; | 
 |  | 
 |   // Returns |true| if the toolbar model has an action for |action_id|. | 
 |   virtual bool HasComponentAction(const std::string& action_id) const = 0; | 
 | }; | 
 |  | 
 | #endif  // CHROME_BROWSER_UI_TOOLBAR_COMPONENT_ACTION_DELEGATE_H_ |