*aLastModified = mMetaDataFile.mLastModified;
NS_ENSURE_ARG_POINTER(aLastModified); *aLastModified = mDiskEntry->mLastModified;
NS_IMETHODIMP nsDiskCacheEntryInfo::GetLastModified(PRUint32 *aLastModified){    *aLastModified = mMetaDataFile.mLastModified;    return NS_OK;}