The above is just the points that the GB players are still guaranteed to have by Wimbledon WC date, i.e. it excludes points due to come off before then.
Actually, currently James is within a 40 point live Davis Cup rubber win vs Donald Young of making the top 100, indeed closer than that. Unfortunately, I sincerely hope that he isn't given that chance this time.
For WC consideration ( as much as rankings are part of the consideration ) presumably the rankings of Monday 15 June.
With Wimbledon qualifying during the w/b 22 June, Q WC play-offs need to be in the w/b 15 June so players will need to know where they stand before the play-offs.