Relax DCHECKS in LayoutNGMixin<Base>::Paint and similar methods

These DCHECKs are intended to verify conditions for NG block fragmented nodes, so relax it by testing whether the node does not forbid breaks with the NG block fragmentation engine. This addresses the use case of MathML embedded inside SVG. Bug: 6606, 829028, 1262555 Change-Id: Idaa09cc61c03358ebdf0a6275f4b83f6a5caca49 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3237215 Reviewed-by: Koji Ishii <kojii@chromium.org> Commit-Queue: Frédéric Wang <fwang@igalia.com> Cr-Commit-Position: refs/heads/main@{#934449}
web-platform-tests · Oct 25, 2021 · b598a05 · b598a05
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commit b598a05
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/mathml/crashtests/mathml-in-svg-001.html b/mathml/crashtests/mathml-in-svg-001.html
@@ -0,0 +1,3 @@
+<!DOCTYPE html>
+<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1262555">
+<svg><foreignObject><math><mn>42</mn></math></foreignObject></svg>