Improve conformance of default OPTION selection of SELECT element

third_party/WebKit/Source/core/html/HTMLOptionElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2011 Motorola Mobility, Inc.  All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 221 matching lines @@
     return collectOptionInnerText().stripWhiteSpace(isHTMLSpace<UChar>).simplifyWhiteSpace(isHTMLSpace<UChar>);
 }
 
 void HTMLOptionElement::setValue(const AtomicString& value)
 {
     setAttribute(valueAttr, value);
 }
 
 bool HTMLOptionElement::selected() const
 {
-    if (HTMLSelectElement* select = ownerSelectElement()) {
-        // If a stylesheet contains option:checked selectors, this function is
-        // called during parsing. updateListItemSelectedStates() is O(N) where N
-        // is the number of option elements, so the <select> parsing would be
-        // O(N^2) without the isFinishedParsingChildren check. Also,
-        // updateListItemSelectedStates() determines default selection, and we'd
-        // like to avoid to determine default selection with incomplete option
-        // list.
-        if (!select->isFinishedParsingChildren())
-            return m_isSelected;
-        select->updateListItemSelectedStates();
-    }
     return m_isSelected;
 }
 
 void HTMLOptionElement::setSelected(bool selected)
 {
     if (m_isSelected == selected)
         return;
 
     setSelectedState(selected);
 
@@ skipping 217 matching lines @@
         ASSERT(parent);
         if (isHTMLOptGroupElement(*parent)) {
             const ComputedStyle* parentStyle = parent->computedStyle() ? parent->computedStyle() : parent->ensureComputedStyle();
             return !parentStyle || parentStyle->display() == NONE;
         }
     }
     return m_style->display() == NONE;
 }
 
 } // namespace blink