Ability to block <audio> and <video> media.

public/web/WebPermissionClient.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 39 matching lines @@
 
     // Controls whether access to File System is allowed for this frame.
     virtual void requestFileSystemAccessAsync(const WebPermissionCallbacks& callbacks) { WebPermissionCallbacks permissionCallbacks(callbacks); permissionCallbacks.doAllow(); }
 
     // Controls whether images are allowed for this frame.
     virtual bool allowImage(bool enabledPerSettings, const WebURL& imageURL) { return enabledPerSettings; }
 
     // Controls whether access to Indexed DB are allowed for this frame.
     virtual bool allowIndexedDB(const WebString& name, const WebSecurityOrigin&) { return true; }
 
+    // Controls whether HTML5 media elements (<audio>, <video>) are allowed for this frame.
+    virtual bool allowMedia(const WebURL& videoURL) { return true; }
+
     // Controls whether plugins are allowed for this frame.
     virtual bool allowPlugins(bool enabledPerSettings) { return enabledPerSettings; }
 
     // Controls whether scripts are allowed to execute for this frame.
     virtual bool allowScript(bool enabledPerSettings) { return enabledPerSettings; }
 
     // Controls whether scripts loaded from the given URL are allowed to execute for this frame.
     virtual bool allowScriptFromSource(bool enabledPerSettings, const WebURL& scriptURL) { return enabledPerSettings; }
 
     // Controls whether insecrure content is allowed to display for this frame.
@@ skipping 41 matching lines @@
     // Notifies the client that the frame would have executed script if script were enabled.
     virtual void didNotAllowScript() { }
 
 protected:
     ~WebPermissionClient() { }
 };
 
 } // namespace blink
 
 #endif