Thank you for your bug report, it's not an unity bug but an eclipse,gtk one, ubuntu backported the gtk3 work to show those, there is a gtk api the application can use to disable the grip but it's not meant to be required in gtk2 so it's somewhat normal upstream softwares don't use it
Thank you for your bug report, it's not an unity bug but an eclipse,gtk one, ubuntu backported the gtk3 work to show those, there is a gtk api the application can use to disable the grip but it's not meant to be required in gtk2 so it's somewhat normal upstream softwares don't use it