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commit8dab279f2320a4b4bfe833b0ad1bd3d3647ada27[log] [tgz]
authorWolfgang Beyer <wolfi@chromium.org>Fri Jan 23 10:18:37 2026
committerDevtools-frontend LUCI CQ <devtools-frontend-scoped@luci-project-accounts.iam.gserviceaccount.com>Tue Jan 27 17:24:31 2026
tree43bd7f956b8b7b609648254d43183cfc0c771f70
parentbfa9cb6136934a5107655f8c2b3fcfe679094ac2 [diff]
Add HostExperiment class

Host experiments are backed by a Chromium `base::Feature` and a
Chromium flag (chrome://flags) in the backend. DevTools can toggle
the flags state by calling `setChromeFlag()`.

We will migrate the existing (legacy) DevTools experiment, which exist
only in the DevTools repo, to host experiments. During that migration
both types of experiments will exist in parallel.

Corresponding Chromium CLs:
https://crrev.com/c/7502996
https://crrev.com/c/7502560

Bug: 464176795
Change-Id: I86a0e49484b25d4a1e5795f8fb99e3c8a50ad568
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/7502977
Reviewed-by: Alex Rudenko <alexrudenko@chromium.org>
Commit-Queue: Wolfgang Beyer <wolfi@chromium.org>
12 files changed
tree: 43bd7f956b8b7b609648254d43183cfc0c771f70
  1. .gemini/
  2. .github/
  3. .vscode/
  4. agents/
  5. build_overrides/
  6. config/
  7. docs/
  8. extension-api/
  9. extensions/
  10. front_end/
  11. inspector_overlay/
  12. mcp/
  13. node_modules/
  14. scripts/
  15. test/
  16. third_party/
  17. v8/
  18. build
  19. buildtools
  20. .clang-format
  21. .clang-format-ignore
  22. .editorconfig
  23. .env.template
  24. .geminiignore
  25. .git-blame-ignore-revs
  26. .gitallowed
  27. .gitattributes
  28. .gitignore
  29. .gitmodules
  30. .gn
  31. .mailmap
  32. .npmignore
  33. .npmrc
  34. .style.yapf
  35. .stylelintignore
  36. .stylelintrc.json
  37. AUTHORS
  38. BUILD.gn
  39. codereview.settings
  40. CONTRIBUTING.md
  41. DEPS
  42. DIR_METADATA
  43. eslint.config.mjs
  44. favicon.ico
  45. LICENSE
  46. OWNERS
  47. package-lock.json
  48. package.json
  49. PRESUBMIT.py
  50. README.md
  51. WATCHLISTS
README.md

Chrome DevTools frontend

npm package

The client-side of the Chrome DevTools, including all TypeScript & CSS to run the DevTools webapp.

Source code and documentation

The frontend is available on chromium.googlesource.com. Check out the Chromium DevTools documentation for instructions to set up, use, and maintain a DevTools front-end checkout, as well as design guidelines, and architectural documentation.

Source mirrors

DevTools frontend repository is mirrored on GitHub.

DevTools frontend is also available on NPM as the chrome-devtools-frontend package. It's not currently available via CJS or ES modules, so consuming this package in other tools may require some effort.

The version number of the npm package (e.g. 1.0.373466) refers to the Chromium commit position of latest frontend git commit. It's incremented with every Chromium commit, however the package is updated roughly daily.

Getting in touch

There are a few options to keep an eye on the latest and greatest of DevTools development: