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

Source/core/fetch/ResourceFetcher.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@kde.org)
     Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
     Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
@@ skipping 560 matching lines @@
     }
     case Resource::MainResource:
     case Resource::Raw:
     case Resource::LinkPrefetch:
     case Resource::LinkSubresource:
         break;
     case Resource::Media:
     case Resource::TextTrack:
         if (!shouldBypassMainWorldContentSecurityPolicy && !m_document->contentSecurityPolicy()->allowMediaFromSource(url, cspReporting))
             return false;
+
+        if (frame()) {
+            if (!frame()->loader().client()->allowMedia(url))
+                return false;
+        }
         break;
     }
 
     // SVG Images have unique security rules that prevent all subresource requests
     // except for data urls.
     if (type != Resource::MainResource) {
         if (frame() && frame()->chromeClient().isSVGImageChromeClient() && !url.protocolIsData())
             return false;
     }
 
@@ skipping 894 matching lines @@
     }
 }
 
 void ResourceFetcher::trace(Visitor* visitor)
 {
     visitor->trace(m_document);
     ResourceLoaderHost::trace(visitor);
 }
 
 }