Seeing the recent stream of ToF patents from Primesense-Apple, one can speculate that Apple is contemplating the use of ST SPADs in its oncoming 3D camera.
Meanwhile, ST is reducing its image sensor footprint on the Edinburgh, Scotland site, pulling out of doing optical modules in the wake of continued reduced market share. Reportedly, Apple has had a recruitment day for image sensor designers in Edinburgh, with very select invites.
Update: The post has been updated according to a request I've received.