if (mResetData) mResetData->ClearInheritedData(aBits); if (mInheritedData) mInheritedData->ClearInheritedData(aBits); }
  void ClearInheritedData(PRUint32 aBits) {    if (mResetData)      mResetData->ClearInheritedData(aBits);    if (mInheritedData)      mInheritedData->ClearInheritedData(aBits);  }