[Squad] Get rid of MutableStyleRef() in list items.

Clone and reset ComputedStyle When modifying the style of anonymous layout objects inside list items. Bug: 813068 Change-Id: Icd0d9d93d0e64fd130cfb5ba151bce7c34bfb234 Reviewed-on: https://chromium-review.googlesource.com/1053727 Reviewed-by: cathie chen <cathiechen@tencent.com> Commit-Queue: Rune Lillesveen <futhark@chromium.org> Cr-Commit-Position: refs/heads/master@{#558257}
web-platform-tests · May 14, 2018 · b22e127 · b22e127
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commit b22e127
Showing 1 changed file with 20 additions and 0 deletions.
diff --git a/css/css-display/display-list-item-height-after-dom-change.html b/css/css-display/display-list-item-height-after-dom-change.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Display: reflowing a display:list-item on dom changes - non-zero height</title>
+<link rel="author" title="Rune Lillesveen" href="mailto:futhark@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-display-3/#list-items">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<ul>
+  <li id="item" style="background:green">
+    <div id="content" style="overflow:hidden">Text<div>
+  </li>
+</ul>
+<script>
+  test(function() {
+    document.body.offsetTop; // force layout
+    item.insertBefore(document.createTextNode("This text should have a green background"), item.firstChild);
+    content.innerHTML = "";
+    assert_not_equals(item.clientHeight, 0, "The height of the LI should not be 0px.");
+  }, "List item height after DOM change.");
+</script>