Report if video capturing meets output protection requirement.

chrome/browser/media/desktop_capture_access_handler.h

 // Copyright 2015 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_MEDIA_DESKTOP_CAPTURE_ACCESS_HANDLER_H_
 #define CHROME_BROWSER_MEDIA_DESKTOP_CAPTURE_ACCESS_HANDLER_H_
 
 #include <list>
 
+#include "chrome/browser/media/capture_access_handler_base.h"
 #include "chrome/browser/media/media_access_handler.h"
 
-class DesktopStreamsRegistry;
-
 // MediaAccessHandler for DesktopCapture API.
-class DesktopCaptureAccessHandler : public MediaAccessHandler {
+class DesktopCaptureAccessHandler : public CaptureAccessHandlerBase {
  public:
   DesktopCaptureAccessHandler();
   ~DesktopCaptureAccessHandler() override;
 
   // MediaAccessHandler implementation.
   bool SupportsStreamType(const content::MediaStreamType type,
                           const extensions::Extension* extension) override;
   bool CheckMediaAccessPermission(
       content::WebContents* web_contents,
       const GURL& security_origin,
       content::MediaStreamType type,
       const extensions::Extension* extension) override;
   void HandleRequest(content::WebContents* web_contents,
                      const content::MediaStreamRequest& request,
                      const content::MediaResponseCallback& callback,
                      const extensions::Extension* extension) override;
-  void UpdateMediaRequestState(int render_process_id,
-                               int render_frame_id,
-                               int page_request_id,
-                               content::MediaStreamType stream_type,
-                               content::MediaRequestState state) override;
-
-  bool IsCaptureInProgress();
 
  private:
-  // Tracks MEDIA_DESKTOP_VIDEO_CAPTURE sessions which reach the
-  // MEDIA_REQUEST_STATE_DONE state.  Sessions are remove when
-  // MEDIA_REQUEST_STATE_CLOSING is encountered.
-  struct DesktopCaptureSession {
-    int render_process_id;
-    int render_frame_id;
-    int page_request_id;
-  };
-  typedef std::list<DesktopCaptureSession> DesktopCaptureSessions;
-
   void ProcessScreenCaptureAccessRequest(
       content::WebContents* web_contents,
       const content::MediaStreamRequest& request,
       const content::MediaResponseCallback& callback,
       const extensions::Extension* extension);
 
-  DesktopCaptureSessions desktop_capture_sessions_;
 };
 
 #endif  // CHROME_BROWSER_MEDIA_DESKTOP_CAPTURE_ACCESS_HANDLER_H_