Revert "Gardening: crashing layout tests"

This reverts commit 3a8d60639aa604d7c5dc803a2782210139dd8b35.

BUG=276031

Review URL: https://codereview.chromium.org/22866013

git-svn-id: svn://svn.chromium.org/blink/trunk@156356 bbb929c8-8fbe-4397-9dbb-9b2b20218538