GitLab

Done with:

./gather_swarming_json_results.py \
  --step webgl_conformance_gl_passthrough_tests \
  --output=../data/gpu/webgl_conformance_tests_output.json

./gather_swarming_json_results.py \
  --step webgl2_conformance_gl_passthrough_tests \
  --output=../data/gpu/webgl2_conformance_tests_output.json

Updated documentation and defaults of gather_swarming_json_results.py.

Bug: 1152197
Change-Id: I6f4f2081af03e2be9936c41ee2d97eb02af558f1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2559316Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#831045}