GitLab

PaymentUiService takes over PaymentRequestUi.Client implementations

Changes:
* Before the CL, ChromePaymentRequestService implements
PaymentRequestUi.Client. After the CL, PaymentUiService implements
the interface.
* The UI service delegates wasRetryCalled(), waitForUpdatedDetails()
to the request service.

Bug: 1114791

Change-Id: I64fe7c6c615aabd982ccd2f95af6dd93337ef16f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2506769
Commit-Queue: Liquan (Max) Gu <maxlg@chromium.org>
Reviewed-by: Rouslan Solomakhin <rouslan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#823001}