tree 85b9ae3f7c0188475b64d042034f4f8f212d7fde
parent 7f7c467b55b9c2a870390ac5e02932822e488a2c
author David Grogan <dgrogan@chromium.org> 1587709785 -0700
committer Blink WPT Bot <blink-w3c-test-autoroller@chromium.org> 1587711632 -0700

[css-flexbox] Implement gap/gutters

This only works when you enable "Enable experimental web platform
features" in about:flags.

This patch doesn't implement a weird case that firefox supports:
resolving a percent column-gap when the flexbox's height is indefinite.
This patch resolves it to 0. We may wait until that is fixed before
exposing this to the web without the about:flag. The relevant test is
http://wpt.live/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-column-row-gap-004.html
The spec issue is https://github.com/w3c/csswg-drafts/issues/4664.

This patch does not include the few engine-specific bits in legacy, so
gap only works in FlexNG.

Change-Id: I691889cf4b9346e94c83ef655dc9fd6eebca640d
Bug: 762679, 845235
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2162149
Commit-Queue: David Grogan <dgrogan@chromium.org>
Reviewed-by: Ian Kilpatrick <ikilpatrick@chromium.org>
Reviewed-by: Christian Biesinger <cbiesinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#762264}