Update is-valid flag upon resetting input elements.

Source/core/html/HTMLFormControlElement.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 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 439 matching lines @@
 
 void HTMLFormControlElement::setNeedsValidityCheck()
 {
     bool newIsValid = valid();
     if (willValidate() && newIsValid != m_isValid) {
         // Update style for pseudo classes such as :valid :invalid.
         setNeedsStyleRecalc();
     }
     m_isValid = newIsValid;
 
-    // Updates only if this control already has a validtion message.
+    // Updates only if this control already has a validation message.
     if (m_validationMessage && m_validationMessage->isVisible()) {
         // Calls updateVisibleValidationMessage() even if m_isValid is not
         // changed because a validation message can be chagned.
         updateVisibleValidationMessage();
     }
 }
 
 void HTMLFormControlElement::setCustomValidity(const String& error)
 {
     FormAssociatedElement::setCustomValidity(error);
@@ skipping 30 matching lines @@
     String fullName = name();
     String trimmedName = fullName.stripWhiteSpace();
     if (!trimmedName.isEmpty())
         return trimmedName;
     fullName = getIdAttribute();
     trimmedName = fullName.stripWhiteSpace();
     return trimmedName;
 }
 
 } // namespace Webcore