[flako] Update to allow strict nest scope

To sanely support concurrency, I need to make `api.step.nest` strictly
scoped; i.e. once you leave the nest context it closes all the steps
within that context.

This changes flako to be compatible with this change.

R=sergiyb@chromium.org, tandrii@chromium.org

Bug: 910369
Change-Id: Ia861ff7cb90b8e6e56e24b8866b9cdc801abda1e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/build/+/1630590
Auto-Submit: Robbie Iannucci <iannucci@chromium.org>
Commit-Queue: Sergiy Belozorov <sergiyb@chromium.org>
Reviewed-by: Sergiy Belozorov <sergiyb@chromium.org>
2 files changed
tree: 26b5989310b67e824d195ee5882432bdde34c2d5
  1. .gitattributes
  2. .gitignore
  3. .vpython
  4. DEPS
  5. LICENSE
  6. OWNERS
  7. PRESUBMIT.py
  8. README.md
  9. WATCHLISTS
  10. codereview.settings
  11. environment.cfg.py
  12. infra/
  13. masters/
  14. scripts/
  15. site_config/
  16. slave/
  17. tests/
  18. third_party/
README.md

build

Hi build contributor! If you do any change in scripts/master/ or touching any master's html/ directories, you must restart master.chromium.fyi first and ensure that it still works before restarting other masters.

Recipes

If you're here to make a change to ‘recipes’ (the code located in scripts/slave/recipes*), please take a look at the README for more information pertaining to recipes.