Remove Dashboard support and supporting files.

Source/WebCore/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 174 matching lines @@
     // 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 (p && p->hasTagName(objectTag)) {
         ASSERT(p->renderer());
         if (!static_cast<HTMLObjectElement*>(p)->useFallbackContent()) {
             ASSERT(!p->renderer()->isEmbeddedObject());
             return false;
         }
     }
-
-#if ENABLE(DASHBOARD_SUPPORT)
-    // Workaround for <rdar://problem/6642221>. 
-    if (Settings* settings = frame->settings()) {
-        if (settings->usesDashboardBackwardCompatibilityMode())
-            return true;
-    }
-#endif
-
     return HTMLPlugInImageElement::rendererIsNeeded(context);
 }
 
 bool HTMLEmbedElement::isURLAttribute(const Attribute& attribute) const
 {
     return attribute.name() == srcAttr || HTMLPlugInImageElement::isURLAttribute(attribute);
 }
 
 const AtomicString& HTMLEmbedElement::imageSourceURL() const
 {
@@ skipping 13 matching lines @@
     return getURLAttribute(srcAttr);
 }
 
 void HTMLEmbedElement::setItemValueText(const String& value, ExceptionCode&)
 {
     setAttribute(srcAttr, value);
 }
 #endif
 
 }