That pub is (at least now) Bar Oporto in Shaftesbury Avenue, round the corner from St Mungo's Hostel, where Danny was no doubt living at the time.
Carol Clerk, one of the girls in the film, was a music journalist who was one of Danny's closer friends. She was apparently there for Danny when most other people weren't. She died last year, sadly.
http://www.classicrockmagazine.com/n...rol-clerk-rip/