tree 283799e715145ebd90851c8675f6f9af5e2a4934
parent ca39b1ed0fa70e60bfbcbfe5be7e305b0e5c2d20
author Darren Shen <shend@chromium.org> 1519083062 -0800
committer Blink WPT Bot <blink-w3c-test-autoroller@chromium.org> 1519084764 -0800

[css-typed-om] Fix crash involving negative length perspectives.

We were crashing because converting CSSPerspective(-1px) to a CSSValue
returns nullptr. The correct behaviour should be to convert it as
CSSPerspective(calc(-1px)).

Bug: 812620
Change-Id: I5ee70d4fb5eed064bcdad67391c3eb84531144d6
Reviewed-on: https://chromium-review.googlesource.com/924742
Commit-Queue: Darren Shen <shend@chromium.org>
Reviewed-by: nainar <nainar@chromium.org>
Cr-Commit-Position: refs/heads/master@{#537690}