| Index: Source/WebCore/rendering/RenderThemeMac.mm | 
| =================================================================== | 
| --- Source/WebCore/rendering/RenderThemeMac.mm	(revision 92737) | 
| +++ Source/WebCore/rendering/RenderThemeMac.mm	(working copy) | 
| @@ -1792,7 +1792,7 @@ | 
| { | 
| Node* node = o->node(); | 
| Node* mediaNode = node ? node->shadowAncestorNode() : 0; | 
| -    if (!mediaNode || (!mediaNode->hasTagName(videoTag) && !mediaNode->hasTagName(audioTag))) | 
| +    if (!mediaNode || !mediaNode->isElementNode() || !static_cast<Element*>(mediaNode)->isMediaElement()) | 
| return false; | 
|  | 
| HTMLMediaElement* mediaElement = static_cast<HTMLMediaElement*>(mediaNode); | 
|  |