Adding local field trial for metrics/crash reports sampling.
This is to support the first-run case, if no first-run variations seed was available.
BUG=642086
Review-Url: https://codereview.chromium.org/2288853003
Cr-Commit-Position: refs/heads/master@{#415473}
diff --git a/chrome/browser/chrome_browser_field_trials.h b/chrome/browser/chrome_browser_field_trials.h
index f8c6fea..ff8c516 100644
--- a/chrome/browser/chrome_browser_field_trials.h
+++ b/chrome/browser/chrome_browser_field_trials.h
@@ -9,6 +9,7 @@
#include "base/macros.h"
namespace base {
+class FeatureList;
class Time;
}
@@ -19,6 +20,15 @@
void SetupFieldTrials();
+ // Create field trials that will control feature list features. This should be
+ // called during the same timing window as
+ // FeatureList::AssociateReportingFieldTrial. |has_seed| indicates that the
+ // variations service used a seed to create field trials. This can be used to
+ // prevent associating a field trial with a feature that you expect to be
+ // controlled by the variations seed.
+ void SetupFeatureControllingFieldTrials(bool has_seed,
+ base::FeatureList* feature_list);
+
private:
// Instantiates dynamic trials by querying their state, to ensure they get
// reported as used.
