Have Frame::loader() return a reference

Source/core/html/HTMLElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2011 Motorola Mobility. 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 758 matching lines @@
 }
 
 bool HTMLElement::rendererIsNeeded(const RenderStyle& style)
 {
     if (hasLocalName(noscriptTag)) {
         Frame* frame = document().frame();
         if (frame && frame->script().canExecuteScripts(NotAboutToExecuteScript))
             return false;
     } else if (hasLocalName(noembedTag)) {
         Frame* frame = document().frame();
-        if (frame && frame->loader()->allowPlugins(NotAboutToInstantiatePlugin))
+        if (frame && frame->loader().allowPlugins(NotAboutToInstantiatePlugin))
             return false;
     }
     return Element::rendererIsNeeded(style);
 }
 
 RenderObject* HTMLElement::createRenderer(RenderStyle* style)
 {
     if (hasLocalName(wbrTag))
         return new RenderWordBreak(this);
     return RenderObject::createObject(this, style);
@@ skipping 332 matching lines @@
 #ifndef NDEBUG
 
 // For use in the debugger
 void dumpInnerHTML(WebCore::HTMLElement*);
 
 void dumpInnerHTML(WebCore::HTMLElement* element)
 {
     printf("%s\n", element->innerHTML().ascii().data());
 }
 #endif