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

third_party/WebKit/Source/core/dom/Element.cpp

Index: third_party/WebKit/Source/core/dom/Element.cpp
diff --git a/third_party/WebKit/Source/core/dom/Element.cpp b/third_party/WebKit/Source/core/dom/Element.cpp
index 56eede0205aa29a9d07182d06914186997cdd3ec..09511f777b024f27d8fbca790d877439bc87d4b8 100644
--- a/third_party/WebKit/Source/core/dom/Element.cpp
+++ b/third_party/WebKit/Source/core/dom/Element.cpp
@@ -2086,9 +2086,12 @@ void Element::rebuildShadowRootLayoutTree(Text*& 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);
   }