Remove redundant calls to HTMLSelectElement::setRecalcListItems().

third_party/WebKit/Source/core/html/HTMLOptGroupElement.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, 2010 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.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 79 matching lines @@
     if (select && select->usesMenuList())
         return false;
     return HTMLElement::supportsFocus();
 }
 
 bool HTMLOptGroupElement::matchesEnabledPseudoClass() const
 {
     return !isDisabledFormControl();
 }
 
+Node::InsertionNotificationRequest HTMLOptGroupElement::insertedInto(ContainerNode* insertionPoint)
+{
+    HTMLElement::insertedInto(insertionPoint);
+    if (HTMLSelectElement* select = ownerSelectElement()) {
+        if (insertionPoint == select)
+            select->optGroupInsertedOrRemoved(*this);
+    }
+    return InsertionDone;
+}
+
+void HTMLOptGroupElement::removedFrom(ContainerNode* insertionPoint)
+{
+    if (isHTMLSelectElement(*insertionPoint)) {
+        if (!parentNode())
+            toHTMLSelectElement(insertionPoint)->optGroupInsertedOrRemoved(*this);
+    }
+    HTMLElement::removedFrom(insertionPoint);
+}
+
 void HTMLOptGroupElement::updateNonComputedStyle()
 {
     m_style = originalStyleForLayoutObject();
     if (layoutObject()) {
         if (HTMLSelectElement* select = ownerSelectElement())
             select->updateListOnLayoutObject();
     }
 }
 
 ComputedStyle* HTMLOptGroupElement::nonLayoutObjectComputedStyle() const
@@ skipping 64 matching lines @@
     label.setTextContent(labelText);
     label.setAttribute(aria_labelAttr, AtomicString(labelText));
 }
 
 HTMLDivElement& HTMLOptGroupElement::optGroupLabelElement() const
 {
     return *toHTMLDivElement(userAgentShadowRoot()->getElementById(ShadowElementNames::optGroupLabel()));
 }
 
 } // namespace blink