GitLab

Picked up changes:
078e633 Add support for outputting debug info in result.
0cc1705 Instrument DomDistiller with timing information.
73e3327 rejiggle 1 table classification heuristic

BUG=368941

Review URL: https://codereview.chromium.org/505183003

Cr-Commit-Position: refs/heads/master@{#292194}