Hello TAG!

I'm requesting a TAG review of:

• Name: IFrame support in web payments
• Specification URL: https://w3c.github.io/browser-payment-api/#paymentrequest-and-iframes
• Example code: http://rsolomakhin.github.io/pr/iframe/
• Primary contacts: @rsolomakhin, @zkoch
• Relevant time constraints or deadlines: Would like to ship in M-56, so would prefer a review before January.