GitLab

Patch #1: Add Blink API for CanMakePaymentEvent.respondWithMinimalUI()
and CanMakePaymentEvent.currency according to the explainer for Minimal
UI payment handlers:
https://gist.github.com/rsolomakhin/eba91c185028899883d2c7f37f357d7c

The additional API surface is disabled by default and can be enabled via
chrome://flags/#enable-experimental-web-platform-features.

Demo: https://rsolomakhin.github.io/pr/apps/micro/

Chrome feature status:
https://chromestatus.com/feature/5661524146257920.

Blink-dev intent to prototype:
https://groups.google.com/a/chromium.org/d/msg/blink-dev/kTLpgFJz6Ck/IQeiGDtOAwAJ

Bug: 1005076
Change-Id: Id3d472a07992007e17c7dec4f4d826eaa84c309b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2071108Reviewed-by: Danyao Wang <danyao@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Rouslan Solomakhin <rouslan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#744725}