GitLab

This patch rewrites the inspector-protocol/css tests onto a new test
runner.

The old helper scirpts which were used to drive CSS tests are moved
under the inspector-protocol/layout-founts/resources folder.

R=dgozman
BUG=734762

Change-Id: I6950b6c6db08a61fe512af9ba2ba260e9d20f96b
Reviewed-on: https://chromium-review.googlesource.com/588648
Commit-Queue: Andrey Lushnikov <lushnikov@chromium.org>
Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#490303}