Payment Request API

• Review of recent changes (Marcos)
• Issue 27: Should API support billing address capture (for tax computation)? This is not a new issue but there has been some recent discussion.
• Issue 49 Brand selection. Right now merchants can accomplish this by prompting the user after Payment Request API. Could the experience be improved with a brand selection feature in the sheet?

Payment Handler API

• Chrome 68 Beta: add to home screen, payment handler, page lifecycle