components/variations/service/variations_service.h - Issue 1984003002: Use low entropy for studies that send experiment IDs to Google properties.

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Unified Diff: components/variations/service/variations_service.h

Issue 1984003002: Use low entropy for studies that send experiment IDs to Google properties. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 7 months ago

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« base/metrics/field_trial.h ('K') | « components/variations/entropy_provider_unittest.cc ('k') | components/variations/service/variations_service.cc » ('j') | components/variations/service/variations_service.cc » ('J')
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Index: components/variations/service/variations_service.h

diff --git a/components/variations/service/variations_service.h b/components/variations/service/variations_service.h

index 4d3c282ff640cf9350c5526e2be015eb51323982..abb74cabfe1dc1481365e93dbbf87ee761e52d1d 100644

--- a/components/variations/service/variations_service.h

+++ b/components/variations/service/variations_service.h

@@ -178,6 +178,12 @@ class VariationsService

bool is_delta_compressed,

bool is_gzip_compressed);

+ // Get an entropy provider based on low entropy. This is used to create trials

+ // for studies that should only depend on low entropy, such as studies that

+ // send experiment IDs to Google web properties.

+ virtual std::unique_ptr<const base::FieldTrial::EntropyProvider>

+ GetLowEntropyProvider();

// Creates the VariationsService with the given |local_state| prefs service

// and |state_manager|. Does not take ownership of |state_manager|. Caller

// should ensure that |state_manager| is valid for the lifetime of this class.