Upcoming mobile payment rollout scheduled to take place at Safeway’s nearly 1,000 Starbucks locations. Safeway Inc., one of the nation’s largest supermarket chains, plans to roll out mobile payment in July at nearly 1,000 Starbucks in Safeway supermarkets across the U.S., including the company’s Vons, Pavilions, Dominick’s, Randalls, Tom Thumb and Genuardi’s stores. In addition,…