PRInt32& aChangeHint)
nsChangeHint& aChangeHint)
PRBool CSSParserImpl::ParsePlayDuring(PRInt32& aErrorCode,                                      nsCSSDeclaration* aDeclaration,                                       PRInt32& aChangeHint){  nsCSSValue  playDuring;  nsCSSValue  flags;  if (ParseVariant(aErrorCode, playDuring, VARIANT_AHUO, nsnull)) {    if (eCSSUnit_URL == playDuring.GetUnit()) {      if (ParseEnum(aErrorCode, flags, nsCSSProps::kPlayDuringKTable)) {        PRInt32 intValue = flags.GetIntValue();        if (ParseEnum(aErrorCode, flags, nsCSSProps::kPlayDuringKTable)) {          flags.SetIntValue(intValue | flags.GetIntValue(), eCSSUnit_Enumerated);        }      }    }    if (ExpectEndProperty(aErrorCode, PR_TRUE)) {      AppendValue(aDeclaration, eCSSProperty_play_during, playDuring, aChangeHint);      AppendValue(aDeclaration, eCSSProperty_play_during_flags, flags, aChangeHint);      return PR_TRUE;    }  }  return PR_FALSE;}