HTMLPluginElement should use setNeedsCompositingUpdate()

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 538 matching lines @@
     }
 
     if (layoutObject) {
         setWidget(widget);
         setPersistedPluginWidget(nullptr);
     } else {
         setPersistedPluginWidget(widget.get());
     }
     setPlaceholder(nullptr);
     document().setContainsPlugins();
-    scheduleSVGFilterLayerUpdateHack();
+    // TODO(esprehn): WebPluginContainerImpl::setWebLayer also schedules a compositing update, do we need both?
+    setNeedsCompositingUpdate();
     // Make sure any input event handlers introduced by the plugin are taken into account.
     if (Page* page = document().frame()->page()) {
         if (ScrollingCoordinator* scrollingCoordinator = page->scrollingCoordinator())
             scrollingCoordinator->notifyLayoutUpdated();
     }
     return true;
 }
 
 bool HTMLPlugInElement::shouldUsePlugin(const KURL& url, const String& mimeType, bool hasFallback, bool& useFallback)
 {
@@ skipping 91 matching lines @@
     return openShadowRoot();
 }
 
 void HTMLPlugInElement::lazyReattachIfNeeded()
 {
     if (!useFallbackContent() && !usePlaceholderContent() && needsWidgetUpdate() && layoutObject() && !isImageType())
         lazyReattachIfAttached();
 }
 
 }