commit 01488c205bab98c56b03d8d76fe44e90c6b79364
author Ziran Sun <zsun@igalia.com> Mon Dec 14 11:13:41 2020
committer Chromium LUCI CQ <chromium-scoped@luci-project-accounts.iam.gserviceaccount.com> Mon Dec 14 11:13:41 2020
tree 59930230bdb1bac14a80c4065bcc67c1e1b817db
parent 424b30f9b7a86507462220c4860723d7ccc2283e

Implement CSS flow-relative Corner Rounding properties

Specifically, the following logical properties are included:
 - border-start-start-radius
 - border-start-end-radius
 - border-end-start-radius
 - border-end-end-radius

These properties correspond to the border-top-left-radius,
border-bottom-left-radius, border-top-right-radius,
and border-bottom-right-radius properties. The flow-relative
Corner Rounding properties (border-*-radius) will allow to
set top-left, bottom-left, top-right and bottom-right box
corners with logical mappings rather than physical.

Intent to Prototype and Ship: CSS flow-relative Corner Rounding
properties
https://groups.google.com/a/chromium.org/g/blink-dev/c/YmWSODSTPS4

Spec:
https://drafts.csswg.org/css-logical/#border-radius-properties

Test:
http://wpt.fyi/css/css-logical/logical-box-border-radius.html

Bug: 1155270
Change-Id: Ia4462092b08f2b2821218b1584fdb0985c98c5fb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2570570
Reviewed-by: Manuel Rego <rego@igalia.com>
Reviewed-by: Oriol Brufau <obrufau@igalia.com>
Commit-Queue: Ziran Sun <zsun@igalia.com>
Cr-Commit-Position: refs/heads/master@{#836577}