Have Node::enclosingLinkEventParentOrSelf() return an Element

Source/core/rendering/RenderLayer.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 2501 matching lines @@
         // exited the WebView, and so hit testing over a scrollbar hits the content document.
         if (!request.isChildFrameHitTest() && (request.active() || request.release()) && isRootLayer()) {
             renderer()->updateHitTestResult(result, toRenderView(renderer())->flipForWritingMode(hitTestLocation.point()));
             insideLayer = this;
         }
     }
 
     // Now determine if the result is inside an anchor - if the urlElement isn't already set.
     Node* node = result.innerNode();
     if (node && !result.URLElement())
-        result.setURLElement(toElement(node->enclosingLinkEventParentOrSelf()));
+        result.setURLElement(node->enclosingLinkEventParentOrSelf());
 
     // Now return whether we were inside this layer (this will always be true for the root
     // layer).
     return insideLayer;
 }
 
 Node* RenderLayer::enclosingElement() const
 {
     for (RenderObject* r = renderer(); r; r = r->parent()) {
         if (Node* e = r->node())
@@ skipping 1266 matching lines @@
     }
 }
 
 void showLayerTree(const blink::RenderObject* renderer)
 {
     if (!renderer)
         return;
     showLayerTree(renderer->enclosingLayer());
 }
 #endif