Reset algorithm is incorrect for select element with first option disabled

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

 /*
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * 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, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
@@ skipping 1232 matching lines @@
         if (option->fastHasAttribute(selectedAttr)) {
             if (selectedOption && !m_multiple)
                 selectedOption->setSelectedState(false);
             option->setSelectedState(true);
             selectedOption = option;
         } else {
             option->setSelectedState(false);
         }
         option->setDirty(false);
 
-        if (!firstOption)
+        if (!firstOption && !option->isDisabledFormControl())
             firstOption = option;
     }
 
     if (!selectedOption && firstOption && !m_multiple && m_size <= 1) {
         firstOption->setSelectedState(true);
         selectedOption = firstOption;
     }
 
     m_lastOnChangeOption = selectedOption;
     setOptionsChangedOnLayoutObject();
@@ skipping 748 matching lines @@
     m_popupIsVisible = false;
     m_popup = nullptr;
 }
 
 void HTMLSelectElement::resetTypeAheadSessionForTesting()
 {
     m_typeAhead.resetSession();
 }
 
 } // namespace blink