Re: [w3c/payment-request] Add way to update `total` and `displayItems` after `.show()` but before user interaction (#645)

> I don't think there is a requirement on user gesture

Ah, @michelle, you mean like clicking a "buy button" (not browser gated)... would the proposal of using `.show(promise)` above work still? 

I'm thinking the initial `total` would just be set to "0" initially, and the the promise updates it. 

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Received on Tuesday, 7 November 2017 20:17:24 UTC