Make pseudo element update work with LocalStyleChange.

Source/core/dom/Node.h

 /*
  * 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, 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
  * License as published by the Free Software Foundation; either
@@ skipping 524 matching lines @@
 #ifndef NDEBUG
     bool inDetach() const;
 #endif
 
     void reattach(const AttachContext& = AttachContext());
     void lazyReattachIfAttached();
 
     // Returns true if recalcStyle should be called on the object, if there is such a method (on Document and Element).
     bool shouldCallRecalcStyle(StyleRecalcChange);
 
+    // Returns true if updatePseudoElement should be called on the object.
+    bool shouldUpdatePseudoElements(StyleRecalcChange) const;
+
     // Wrapper for nodes that don't have a renderer, but still cache the style (like HTMLOptionElement).
     RenderStyle* renderStyle() const;
     RenderStyle* parentRenderStyle() const;
 
     RenderStyle* computedStyle(PseudoId pseudoElementSpecifier = NOPSEUDO) { return virtualComputedStyle(pseudoElementSpecifier); }
 
     // -----------------------------------------------------------------------------
     // Notification of document structure changes (see ContainerNode.h for more notification methods)
     //
     // At first, WebKit notifies the node that it has been inserted into the document. This is called during document parsing, and also
@@ skipping 306 matching lines @@
 
     detach(context);
     markAncestorsWithChildNeedsStyleRecalc();
 }
 
 inline bool Node::shouldCallRecalcStyle(StyleRecalcChange change)
 {
     return change >= Inherit || needsStyleRecalc() || childNeedsStyleRecalc();
 }
 
+inline bool Node::shouldUpdatePseudoElements(StyleRecalcChange change) const

[esprehn, 2014/01/28 18:08:05]

You only have this check in two places, I'd just inline it there.

+{
+    return change >= UpdatePseudoElements || childNeedsStyleRecalc();
+}
+
 inline bool isTreeScopeRoot(const Node* node)
 {
     return !node || node->isDocumentNode() || node->isShadowRoot();
 }
 
 inline bool isTreeScopeRoot(const Node& node)
 {
     return node.isDocumentNode() || node.isShadowRoot();
 }
 
@@ skipping 21 matching lines @@
 
 } // namespace WebCore
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const WebCore::Node*);
 void showNodePath(const WebCore::Node*);
 #endif
 
 #endif