NS_IMETHODIMP nsPluginInstanceOwner :: GetInstance(nsIPluginInstance *&aInstance)
NS_IMETHODIMP pluginInstanceOwner :: GetInstance(nsIPluginInstance *&aInstance)
NS_IMETHODIMP nsPluginInstanceOwner :: GetInstance(nsIPluginInstance *&aInstance){  NS_IF_ADDREF(mInstance);  aInstance = mInstance;  return NS_OK;}