Drop Element::isHTMLFrameElementBase() virtual function

Source/core/editing/FrameSelection.cpp

 /*
  * Copyright (C) 2004, 2008, 2009, 2010 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 1715 matching lines @@
     if (!start)
         return 0;
     HTMLElement* element = start->isHTMLElement() ? toHTMLElement(start) : Traversal<HTMLElement>::next(*start);
     for (; element; element = Traversal<HTMLElement>::next(*element)) {
         if (isHTMLFormElement(*element))
             return toHTMLFormElement(element);
 
         if (HTMLFormElement* owner = element->formOwner())
                 return owner;
 
-        if (isHTMLFrameElement(*element) || isHTMLIFrameElement(*element)) {
+        if (isHTMLFrameElementBase(*element)) {
             Node* childDocument = toHTMLFrameElementBase(*element).contentDocument();
             if (HTMLFormElement* frameResult = scanForForm(childDocument))
                 return frameResult;
         }
     }
     return 0;
 }
 
 // We look for either the form containing the current focus, or for one immediately after it
 HTMLFormElement* FrameSelection::currentForm() const
@@ skipping 128 matching lines @@
     sel.showTreeForThis();
 }
 
 void showTree(const WebCore::FrameSelection* sel)
 {
     if (sel)
         sel->showTreeForThis();
 }
 
 #endif