Get rid of scheduleSVGFilterLayerUpdateHack call for plugins.

Source/core/html/HTMLPlugInElement.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 Apple Computer, Inc.
  *
  * 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
  * version 2 of the License, or (at your option) any later version.
@@ skipping 161 matching lines @@
     Vector<String> paramNames;
     Vector<String> paramValues;
 
     paramNames.append("type");
     paramValues.append(m_serviceType);
 
     bool useFallback = false;
     loadPlugin(url, m_serviceType, paramNames, paramValues, useFallback, false);
 }
 
+bool HTMLPlugInElement::shouldAccelerate() const
+{
+    if (Widget* widget = ownedWidget())
+        return widget->isPluginView() && toPluginView(widget)->platformLayer();
+    return false;
+}
+
 void HTMLPlugInElement::detach(const AttachContext& context)
 {
     // Update the widget the next time we attach (detaching destroys the plugin).
     // FIXME: None of this "needsWidgetUpdate" related code looks right.
     if (renderer() && !useFallbackContent())
         setNeedsWidgetUpdate(true);
     if (m_isDelayingLoadEvent) {
         m_isDelayingLoadEvent = false;
         document().decrementLoadEventDelayCount();
     }
@@ skipping 373 matching lines @@
 {
     return false;
 }
 
 bool HTMLPlugInElement::useFallbackContent() const
 {
     return hasAuthorShadowRoot();
 }
 
 }