text: // 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_MEDIA_ROUTER_PRESENTATION_RECEIVER_WINDOW_DELEGATE_H_
  #define CHROME_BROWSER_UI_MEDIA_ROUTER_PRESENTATION_RECEIVER_WINDOW_DELEGATE_H_
  
  namespace content {
  class WebContents;
  }
  
  // This interface allows communication between a PresentationReceiverWindow and
  // its controller.  The controller provides a WebContents instance for the
  // window, and the window can tell the controller when it is closing.
  class PresentationReceiverWindowDelegate {
   public:
    // WebContents instance provided by the delegate to be displayed in the
    // window.
    virtual content::WebContents* web_contents() const = 0;
  
    // Notifies the delegate that the window is closed so it can perform any
    // necessary cleanup.
    virtual void WindowClosed() = 0;
  
   protected:
    ~PresentationReceiverWindowDelegate() = default;
  };
  
  #endif  // CHROME_BROWSER_UI_MEDIA_ROUTER_PRESENTATION_RECEIVER_WINDOW_DELEGATE_H_
  