if (readOnly.EqualsIgnoreCase("true"))
if (readOnly.LowerCaseEqualsLiteral("true"))
    mLineNumber(0){  MOZ_COUNT_CTOR(nsXBLProtoImplField);  mJSAttributes = JSPROP_ENUMERATE;  if (aReadOnly) {    nsAutoString readOnly; readOnly.Assign(*aReadOnly);    if (readOnly.EqualsIgnoreCase("true"))      mJSAttributes |= JSPROP_READONLY;  }}