Call ContainerNode::checkForSiblingStyleChanges() for Element insertion / removal only

Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1789 matching lines @@
 
     if (!style || (styleAffectedByEmpty() && (!style->emptyState() || hasChildren())))
         setNeedsStyleRecalc(SubtreeStyleChange);
 }
 
 void Element::childrenChanged(const ChildrenChange& change)
 {
     ContainerNode::childrenChanged(change);
 
     checkForEmptyStyleChange();
-    if (!change.byParser)
-        checkForSiblingStyleChanges(change.type == ChildRemoved ? SiblingRemoved : Other, change.siblingBeforeChange, change.siblingAfterChange);
+    if (!change.byParser && change.isElementChange())
+        checkForSiblingStyleChanges(change.type == ElementRemoved ? SiblingElementRemoved : SiblingElementInserted, change.siblingBeforeChange, change.siblingAfterChange);
 
     if (ElementShadow* shadow = this->shadow())
         shadow->setNeedsDistributionRecalc();
 }
 
 void Element::finishParsingChildren()
 {
     setIsFinishedParsingChildren(true);
     checkForEmptyStyleChange();
     checkForSiblingStyleChanges(FinishedParsingChildren, lastChild(), nullptr);
@@ skipping 1531 matching lines @@
 
 void Element::trace(Visitor* visitor)
 {
     if (hasRareData())
         visitor->trace(elementRareData());
     visitor->trace(m_elementData);
     ContainerNode::trace(visitor);
 }
 
 } // namespace WebCore