1439633 - [wpt-sync] Sync PR 9589 - [LayoutNG] Use containing block size correctly for abspos.

Status: RESOLVED FIXED

(Core :: CSS Parsing and Computation, enhancement, P3)

Description

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Sync web-platform-tests PR 9589 into mozilla-central (this bug is closed when the sync is complete).

PR: https://github.com/w3c/web-platform-tests/pull/9589
Details from upstream follow.

Morten Stenshorne wrote:
>  [LayoutNG] Use containing block size correctly for abspos.
>  
>  UpdateOutOfFlowBlockLayout() needs to deal with both the actual
>  containing block size, as specified by CSS (i.e. the padding box size),
>  and the border-box size of the object that is the containing block of an
>  absolutely positioned descendant.
>  
>  Some light cleanup. We always need the border sizes, so just calculate
>  them once, unconditionally. Also, there seems no need for a special path
>  for grid/flex, so I removed it.
>  
>  Some tests start to pass. They are still expected to fail in legacy.
>  
>  Cq-Include-Trybots: master.tryserver.chromium.linux:linux_layout_tests_layout_ng
>  Change-Id: I85462d76aa9fa3d0105bf079e59f7c2a7a70f117
>  
>  Reviewed-on: https://chromium-review.googlesource.com/926004
>  WPT-Export-Revision: 7553569b78e8d1d6b81a0aea12aabf32e0a1b073

Comment 1

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/mozilla-inbound/rev/fb42cfd44ef8
[wpt PR 9589] - [LayoutNG] Use containing block size correctly for abspos., a=testonly

Comment 2

[Cosmin Sabou [:CosminS]]

https://hg.mozilla.org/mozilla-central/rev/fb42cfd44ef8