gCaseConv->ToUpper(aSource, NS_CONST_CAST(PRUnichar*,aSource), aSourceLength);
if (gCaseConv) gCaseConv->ToUpper(aSource, NS_CONST_CAST(PRUnichar*,aSource), aSourceLength); else NS_WARNING("No case converter: no conversion done");
    PRUint32 write( const PRUnichar* aSource, PRUint32 aSourceLength)    {        gCaseConv->ToUpper(aSource, NS_CONST_CAST(PRUnichar*,aSource), aSourceLength);        return aSourceLength;    }