Don't call isURLAllowed() from layout.

third_party/WebKit/Source/core/html/HTMLFrameElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Simon Hausmann (hausmann@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2006, 2009 Apple Inc. All rights reserved.
  *
  * 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 23 matching lines @@
 
 inline HTMLFrameElement::HTMLFrameElement(Document& document)
     : HTMLFrameElementBase(frameTag, document),
       m_frameBorder(true),
       m_frameBorderSet(false) {}
 
 DEFINE_NODE_FACTORY(HTMLFrameElement)
 
 bool HTMLFrameElement::layoutObjectIsNeeded(const ComputedStyle&) {
   // For compatibility, frames render even when display: none is set.
-  return isURLAllowed();
+  return contentFrame();
 }
 
 LayoutObject* HTMLFrameElement::createLayoutObject(const ComputedStyle&) {
   return new LayoutFrame(this);
 }
 
 bool HTMLFrameElement::noResize() const {
   return hasAttribute(noresizeAttr);
 }
 
@@ skipping 16 matching lines @@
     // FIXME: If we are already attached, this has no effect.
   } else if (name == noresizeAttr) {
     if (layoutObject())
       layoutObject()->updateFromElement();
   } else {
     HTMLFrameElementBase::parseAttribute(name, oldValue, value);
   }
 }
 
 }  // namespace blink