Do it in the users "that know" and remove the special constructor case.

Change-Id: I9298c8d13118068adc7958c0894dccb7af4d7855
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>