Remove PostAttachCallbacks and replace with something more specialized

Source/core/dom/Node.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 732 matching lines @@
 
 void Node::markAncestorsWithChildNeedsStyleRecalc()
 {
     for (ContainerNode* p = parentOrShadowHostNode(); p && !p->childNeedsStyleRecalc(); p = p->parentOrShadowHostNode())
         p->setChildNeedsStyleRecalc();
 
     if (document().needsStyleRecalc() || document().childNeedsStyleRecalc())
         document().scheduleStyleRecalc();
 }
 
-void Node::setNeedsStyleRecalc(StyleChangeType changeType, StyleChangeSource source)
+void Node::setNeedsStyleRecalc(StyleChangeType changeType)
 {
     ASSERT(changeType != NoStyleChange);
     if (!inActiveDocument())
         return;
 
-    if (source == StyleChangeFromRenderer)
-        setFlag(NotifyRendererWithIdenticalStyles);
-
     StyleChangeType existingChangeType = styleChangeType();
     if (changeType > existingChangeType) {
         setStyleChange(changeType);
         if (changeType >= SubtreeStyleChange)
             traceStyleChangeIfNeeded(changeType);
     }
 
     if (existingChangeType == NoStyleChange)
         markAncestorsWithChildNeedsStyleRecalc();
 
     if (isElementNode() && hasRareData())
         toElement(*this).setAnimationStyleChange(false);
 }
 
 void Node::clearNeedsStyleRecalc()
 {
     m_nodeFlags &= ~StyleChangeMask;
-    clearFlag(NotifyRendererWithIdenticalStyles);
+
+    clearNeedsLayerUpdate();
 
     if (isElementNode() && hasRareData())
         toElement(*this).setAnimationStyleChange(false);
 }
 
 bool Node::inActiveDocument() const
 {
     return inDocument() && document().isActive();
 }
 
@@ skipping 209 matching lines @@
             if (hovered())
                 doc.hoveredNodeDetached(this);
             if (inActiveChain())
                 doc.activeChainNodeDetached(this);
             doc.userActionElements().didDetach(this);
         }
     }
 
     setStyleChange(NeedsReattachStyleChange);
     setChildNeedsStyleRecalc();
+
     if (StyleResolver* resolver = document().styleResolver())
         resolver->ruleFeatureSet().clearStyleInvalidation(this);
 
 #ifndef NDEBUG
     detachingNode = 0;
 #endif
 }
 
 void Node::reattachWhitespaceSiblings(Text* start)
 {
@@ skipping 1522 matching lines @@
         node->showTreeForThis();
 }
 
 void showNodePath(const WebCore::Node* node)
 {
     if (node)
         node->showNodePathForThis();
 }
 
 #endif