The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/2976f1c3c6e7a2810ef812e3f41c5b8e6ebab032

commit 2976f1c3c6e7a2810ef812e3f41c5b8e6ebab032
Author: Manuel Rego Casasnovas <rego@igalia.com>
Date: Thu Sep 21 11:03:00 2017

[css-grid] Upstream tests related to absolute positioning

This patch moves the tests related to absolute positioning
in CSS Grid Layout to the WPT repository.
The tests are reformatted to follow the rules of WPT.

BUG=767015

Change-Id: Ib8a278d44ad4bb6436b5e908fe7de7b2fd34dc68
Reviewed-on: https://chromium-review.googlesource.com/674931
Commit-Queue: Manuel Rego Casasnovas <rego@igalia.com>
Reviewed-by: Javier Fernandez <jfernandez@igalia.com>
Cr-Commit-Position: refs/heads/master@{#503416}
[modify] https://crrev.com/2976f1c3c6e7a2810ef812e3f41c5b8e6ebab032/third_party/WebKit/LayoutTests/FlagExpectations/enable-blink-features=LayoutNG
[add] https://crrev.com/2976f1c3c6e7a2810ef812e3f41c5b8e6ebab032/third_party/WebKit/LayoutTests/external/wpt/css/css-grid-1/abspos/absolute-positioning-changing-containing-block-001-ref.html
[add] https://crrev.com/2976f1c3c6e7a2810ef812e3f41c5b8e6ebab032/third_party/WebKit/LayoutTests/external/wpt/css/css-grid-1/abspos/absolute-positioning-changing-containing-block-001.html
[add] https://crrev.com/2976f1c3c6e7a2810ef812e3f41c5b8e6ebab032/third_party/WebKit/LayoutTests/external/wpt/css/css-grid-1/abspos/absolute-positioning-definite-sizes-001.html
[add] https://crrev.com/2976f1c3c6e7a2810ef812e3f41c5b8e6ebab032/third_party/WebKit/LayoutTests/external/wpt/css/css-grid-1/abspos/absolute-positioning-grid-container-containing-block-001.html
[add] https://crrev.com/2976f1c3c6e7a2810ef812e3f41c5b8e6ebab032/third_party/WebKit/LayoutTests/external/wpt/css/css-grid-1/abspos/absolute-positioning-grid-container-parent-001.html
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[add] https://crrev.com/2976f1c3c6e7a2810ef812e3f41c5b8e6ebab032/third_party/WebKit/LayoutTests/external/wpt/css/css-grid-1/abspos/grid-paint-positioned-children-001-ref.html
[add] https://crrev.com/2976f1c3c6e7a2810ef812e3f41c5b8e6ebab032/third_party/WebKit/LayoutTests/external/wpt/css/css-grid-1/abspos/grid-paint-positioned-children-001.html
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[add] https://crrev.com/2976f1c3c6e7a2810ef812e3f41c5b8e6ebab032/third_party/WebKit/LayoutTests/external/wpt/css/css-grid-1/abspos/grid-positioned-items-implicit-grid-line-001.html
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[add] https://crrev.com/2976f1c3c6e7a2810ef812e3f41c5b8e6ebab032/third_party/WebKit/LayoutTests/external/wpt/css/css-grid-1/abspos/positioned-grid-items-should-not-take-up-space-001.html
[rename] https://crrev.com/2976f1c3c6e7a2810ef812e3f41c5b8e6ebab032/third_party/WebKit/LayoutTests/external/wpt/css/css-grid-1/abspos/positioned-grid-items-sizing-001-ref.html
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[add] https://crrev.com/2976f1c3c6e7a2810ef812e3f41c5b8e6ebab032/third_party/WebKit/LayoutTests/external/wpt/css/css-grid-1/support/grid-alignment.css
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[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/absolute-positioning-changing-containing-block-expected.html
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[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/absolute-positioning-definite-sizes-expected.txt
[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/absolute-positioning-definite-sizes.html
[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/absolute-positioning-grid-container-containing-block.html
[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/absolute-positioning-grid-container-parent.html
[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-item-absolute-positioning-dynamic-expected.html
[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-item-absolute-positioning-dynamic.html
[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-paint-positioned-children-expected.html
[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-paint-positioned-children.html
[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-positioned-children-writing-modes-expected.html
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[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-positioned-item-dynamic-change-expected.html
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[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-positioned-items-background.html
[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-positioned-items-content-alignment-rtl.html
[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-positioned-items-content-alignment.html
[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-positioned-items-gaps-rtl.html
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[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-positioned-items-padding.html
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[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/positioned-grid-items-should-not-create-implicit-tracks-expected.txt
[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/positioned-grid-items-should-not-create-implicit-tracks.html
[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/positioned-grid-items-should-not-take-up-space-expected.txt
[delete] https://crrev.com/05054a75d3c5fa349e6e33e297c4e9f56c143851/third_party/WebKit/LayoutTests/fast/css-grid-layout/positioned-grid-items-should-not-take-up-space.html

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/fe4656466972b741d228aae63f6696a7dd1feaf3

commit fe4656466972b741d228aae63f6696a7dd1feaf3
Author: Manuel Rego Casasnovas <rego@igalia.com>
Date: Tue Oct 24 12:12:38 2017

[css-grid] Upstream fit-content() tests to WPT repository

BUG=767015

Change-Id: Iceaeb7b6b1a3a5ed72ba1d7cc400086b478ebfc0
Reviewed-on: https://chromium-review.googlesource.com/730707
Reviewed-by: Javier Fernandez <jfernandez@igalia.com>
Commit-Queue: Manuel Rego Casasnovas <rego@igalia.com>
Cr-Commit-Position: refs/heads/master@{#511109}
[add] https://crrev.com/fe4656466972b741d228aae63f6696a7dd1feaf3/third_party/WebKit/LayoutTests/external/wpt/css/css-grid-1/grid-definition/grid-change-fit-content-argument-001.html
[rename] https://crrev.com/fe4656466972b741d228aae63f6696a7dd1feaf3/third_party/WebKit/LayoutTests/external/wpt/css/css-grid-1/grid-definition/grid-template-columns-fit-content-001-ref.html
[rename] https://crrev.com/fe4656466972b741d228aae63f6696a7dd1feaf3/third_party/WebKit/LayoutTests/external/wpt/css/css-grid-1/grid-definition/grid-template-columns-fit-content-001.html
[add] https://crrev.com/fe4656466972b741d228aae63f6696a7dd1feaf3/third_party/WebKit/LayoutTests/external/wpt/css/css-grid-1/grid-definition/grid-template-rows-fit-content-001-ref.html
[add] https://crrev.com/fe4656466972b741d228aae63f6696a7dd1feaf3/third_party/WebKit/LayoutTests/external/wpt/css/css-grid-1/grid-definition/grid-template-rows-fit-content-001.html
[delete] https://crrev.com/efa05b307f5f32a1fd28b2ed2324a9eea51ad365/third_party/WebKit/LayoutTests/fast/css-grid-layout/fit-content-rows-expected.html
[delete] https://crrev.com/efa05b307f5f32a1fd28b2ed2324a9eea51ad365/third_party/WebKit/LayoutTests/fast/css-grid-layout/fit-content-rows.html
[delete] https://crrev.com/efa05b307f5f32a1fd28b2ed2324a9eea51ad365/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-change-fit-content-argument.html

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/7c94775ad433c78117e158a26b3c52e69c65fb52

commit 7c94775ad433c78117e158a26b3c52e69c65fb52
Author: Manuel Rego Casasnovas <rego@igalia.com>
Date: Thu Dec 14 13:19:57 2017

[css-grid] Upstream :first-line & :first-letter tests to WPT

BUG=767015

Change-Id: Id56937cba12dcec0959c6cc78aa83cbde25bea74
Reviewed-on: https://chromium-review.googlesource.com/826639
Reviewed-by: Javier Fernandez <jfernandez@igalia.com>
Commit-Queue: Manuel Rego Casasnovas <rego@igalia.com>
Cr-Commit-Position: refs/heads/master@{#524053}
[modify] https://crrev.com/7c94775ad433c78117e158a26b3c52e69c65fb52/third_party/WebKit/LayoutTests/FlagExpectations/enable-blink-features=LayoutNG
[add] https://crrev.com/7c94775ad433c78117e158a26b3c52e69c65fb52/third_party/WebKit/LayoutTests/external/wpt/css/css-grid/grid-model/grid-container-ignores-first-letter-001.html
[add] https://crrev.com/7c94775ad433c78117e158a26b3c52e69c65fb52/third_party/WebKit/LayoutTests/external/wpt/css/css-grid/grid-model/grid-container-ignores-first-line-001.html
[add] https://crrev.com/7c94775ad433c78117e158a26b3c52e69c65fb52/third_party/WebKit/LayoutTests/external/wpt/css/css-grid/grid-model/grid-item-accepts-first-letter-001.html
[add] https://crrev.com/7c94775ad433c78117e158a26b3c52e69c65fb52/third_party/WebKit/LayoutTests/external/wpt/css/css-grid/grid-model/grid-item-accepts-first-line-001.html
[delete] https://crrev.com/cc60eca887ee39502cdf8bc73548f3746d776fda/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-container-ignore-first-letter-expected.txt
[delete] https://crrev.com/cc60eca887ee39502cdf8bc73548f3746d776fda/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-container-ignore-first-letter.html
[delete] https://crrev.com/cc60eca887ee39502cdf8bc73548f3746d776fda/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-container-ignore-first-line-expected.txt
[delete] https://crrev.com/cc60eca887ee39502cdf8bc73548f3746d776fda/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-container-ignore-first-line.html
[delete] https://crrev.com/cc60eca887ee39502cdf8bc73548f3746d776fda/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-item-first-letter-valid-expected.txt
[delete] https://crrev.com/cc60eca887ee39502cdf8bc73548f3746d776fda/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-item-first-letter-valid.html
[delete] https://crrev.com/cc60eca887ee39502cdf8bc73548f3746d776fda/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-item-first-line-valid-expected.txt
[delete] https://crrev.com/cc60eca887ee39502cdf8bc73548f3746d776fda/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-item-first-line-valid.html

Is there more work to be done here rego?

Yes there are still a bunch of tests in LayoutTests/fast/css-grid-layout/
and it'd be nice to keep moving them to WPT.

The thing is that we didn't have a lot of time,
so the priority of this task decreased and it's been a while
since the last time we moved tests.