| commit | 986b07f32c166a842bf2502c5e9f13d036c8f22b | [log] [tgz] |
|---|---|---|
| author | Yulun Zeng <yulunz@chromium.org> | Wed Dec 06 19:02:14 2023 |
| committer | Chromium LUCI CQ <chromium-scoped@luci-project-accounts.iam.gserviceaccount.com> | Wed Dec 06 19:02:14 2023 |
| tree | 1dab26d770bbda2cb4c3556fd73d83365a856198 | |
| parent | 744c317804f84a6fb6b342bb82f818bb096e756f [diff] |
Add a synthetic trial for limited entropy randomization. The synthetic trial selects 50% of clients to be eligible for a limited entropy field trial. The trial will not be registered unless explicitly registered (thru `VariationsServiceClient::RegisterLimitedEntropySyntheticTrial`). This change only contains the synthetic trial setup, and does not contain the registration logic. The trial is represented by `variations::LimitedEntropySyntheticTrial`. `variations::VariationsService` will own and construct this object. Follow-up CLs will add logic to determine when the trial will be registered. Browser tests are not added as part of this CL since the trial is not registered. I will add browser tests once the registration logic is completed. Low-Coverage-Reason: TESTS_IN_SEPARATE_CL. `VariationsServiceClient::RegisterLimitedEntropySyntheticTrial` is not used for now and tests will be added in follow-up CLs when it's being called. Bug: b/311343020 Change-Id: Id6a1fd8c6142034b4f4272b8037372efa22057f9 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5075512 Reviewed-by: Alexei Svitkine <asvitkine@chromium.org> Reviewed-by: Gauthier Ambard <gambard@chromium.org> Commit-Queue: Yulun Zeng <yulunz@chromium.org> Reviewed-by: Ilya Sherman <isherman@chromium.org> Cr-Commit-Position: refs/heads/main@{#1234064}
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