StartAlternateLoads(nsHashKey *aKey, void *aData, void* aClosure)
StartAlternateLoads(nsIURI *aKey, SheetLoadData* &aData, void* aClosure)
StartAlternateLoads(nsHashKey *aKey, void *aData, void* aClosure){  SheetLoadData* data = NS_STATIC_CAST(SheetLoadData*, aData);  CSSLoaderImpl* loader = NS_STATIC_CAST(CSSLoaderImpl*, aClosure);  loader->LoadSheet(data, eSheetNeedsParser);  return kHashEnumerateRemove;}