Add wpt/css/css-multicol/multicol-overflow-clip-auto-sized.html

It checks that overflow:hidden on an auto-sized element should not incorrectly clip the contents, even under multicol. The bug has been fixed by crrev.com/c/2300996 unintentionally. Bug: 1107892 Change-Id: I2e34d64824dad689106d6a80920f4876c3cd199f Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2330550 Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org> Reviewed-by: Philip Rogers <pdr@chromium.org> Cr-Commit-Position: refs/heads/master@{#793368}

Add wpt/css/css-multicol/multicol-overflow-clip-auto-sized.html
It checks that overflow:hidden on an auto-sized element should not incorrectly clip the contents, even under multicol. The bug has been fixed by crrev.com/c/2300996 unintentionally. Bug: 1107892 Change-Id: I2e34d64824dad689106d6a80920f4876c3cd199f Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2330550 Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org> Reviewed-by: Philip Rogers <pdr@chromium.org> Cr-Commit-Position: refs/heads/master@{#793368}
5f9b012c · Xianzhu Wang · Commit Bot · 0c6efefb · 5f9b012c · 5f9b012c
Commit 5f9b012c authored Jul 30, 2020 by Xianzhu Wang Committed by Commit Bot Jul 30, 2020
2 changed files
--- a/third_party/blink/web_tests/external/wpt/css/css-multicol/multicol-overflow-clip-auto-sized-ref.html
+++ b/third_party/blink/web_tests/external/wpt/css/css-multicol/multicol-overflow-clip-auto-sized-ref.html
+<!DOCTYPE html>
+<div style="columns: 2">
+  <div>Column1</div>
+  <div style="padding: 2px">Column2<br>Column2 line2</div>
+</div>
--- a/third_party/blink/web_tests/external/wpt/css/css-multicol/multicol-overflow-clip-auto-sized.html
+++ b/third_party/blink/web_tests/external/wpt/css/css-multicol/multicol-overflow-clip-auto-sized.html
+<!DOCTYPE html>
+<title>CSS Multi-column Layout Test: multicol with overflow-clipped content</title>
+<link rel="help" href="https://www.w3.org/TR/css-multicol-1/">
+<link rel="match" href="multicol-overflow-clip-auto-sized-ref.html">
+<meta name="assert" content="Overflow clip sized to content should not clip even under multicol.">
+<div style="columns: 2">
+  <div>Column1</div>
+  <div style="overflow: hidden; padding: 2px">Column2<br>Column2 line2</div>
+</div>