aFilename.Assign(NS_ConvertASCIItoUCS2(mPluginTag.mFileName)); return NS_OK;
return DoCharsetConversion(mUnicodeDecoder, mPluginTag.mFileName, aFilename);
  NS_METHOD GetFilename(nsAWritableString& aFilename)  {    aFilename.Assign(NS_ConvertASCIItoUCS2(mPluginTag.mFileName));    return NS_OK;  }