New layout test expectations after V8 changes.

BUG=351658,318632
TBR=ojan@chromium.org

Review URL: https://codereview.chromium.org/264693012

git-svn-id: svn://svn.chromium.org/blink/trunk@173294 bbb929c8-8fbe-4397-9dbb-9b2b20218538