Revert "Auto-rebaseline for r179433"

This reverts commit b86ced9a1ff30c0d02a8411e87cc3d1a8dc9a8b5.

It's a bad auto-rebaseline. Revert to try autorebaseline again.
If it fails again, will rebaseline manually.

BUG=394833
TBR=rjwright@chromium.org

Review URL: https://codereview.chromium.org/442603007

git-svn-id: svn://svn.chromium.org/blink/trunk@179507 bbb929c8-8fbe-4397-9dbb-9b2b20218538