Clean up HTMLObjectElement/HTMLEmbedElement layoutObjectIsNeeded

Source/core/html/HTMLEmbedElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
  * Copyright (C) 2004, 2005, 2006, 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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 136 matching lines @@
         return;
 
     requestObject(m_url, m_serviceType, paramNames, paramValues);
 }
 
 bool HTMLEmbedElement::layoutObjectIsNeeded(const LayoutStyle& style)
 {
     if (isImageType())
         return HTMLPlugInElement::layoutObjectIsNeeded(style);
 
-    LocalFrame* frame = document().frame();
-    if (!frame)
-        return false;
-
     // If my parent is an <object> and is not set to use fallback content, I
     // should be ignored and not get a renderer.
     ContainerNode* p = parentNode();
     if (isHTMLObjectElement(p)) {
         ASSERT(p->renderer());
         if (!toHTMLObjectElement(p)->useFallbackContent()) {
             ASSERT(!p->renderer()->isEmbeddedObject());
             return false;
         }
     }
@@ skipping 19 matching lines @@
 {
     // http://www.whatwg.org/specs/web-apps/current-work/#exposed
     for (HTMLObjectElement* object = Traversal<HTMLObjectElement>::firstAncestor(*this); object; object = Traversal<HTMLObjectElement>::firstAncestor(*object)) {
         if (object->isExposed())
             return false;
     }
     return true;
 }
 
 }