Clear pseudoElement from ElementRareData when FirstLetterPseudoElement doesn't have a LayoutObject

third_party/WebKit/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)
  *
@@ skipping 2068 matching lines @@
     // TODO(rune@opera.com): nextTextSibling is not set correctly when we have
     // slotted nodes (crbug.com/648931). Also, it may be incorrect when we have
     // multiple shadow roots (for V0 shadow hosts).
     root->rebuildLayoutTree(nextTextSibling);
   }
 }
 
 void Element::rebuildPseudoElementLayoutTree(PseudoId pseudoId,
                                              Text* nextTextSibling) {
   if (PseudoElement* element = pseudoElement(pseudoId)) {
+    if (pseudoId == PseudoIdFirstLetter && updateFirstLetter(element))
+      return;
     if (element->needsReattachLayoutTree() ||
-        element->childNeedsReattachLayoutTree())
+        element->childNeedsReattachLayoutTree()) {
       element->rebuildLayoutTree(nextTextSibling);
+    }
   } else {
     createPseudoElementIfNeeded(pseudoId);
   }
 }
 
 void Element::updateCallbackSelectors(const ComputedStyle* oldStyle,
                                       const ComputedStyle* newStyle) {
   Vector<String> emptyVector;
   const Vector<String>& oldCallbackSelectors =
       oldStyle ? oldStyle->callbackSelectors() : emptyVector;
@@ skipping 2187 matching lines @@
 }
 
 DEFINE_TRACE_WRAPPERS(Element) {
   if (hasRareData()) {
     visitor->traceWrappers(elementRareData());
   }
   ContainerNode::traceWrappers(visitor);
 }
 
 }  // namespace blink