Index: components/variations/active_field_trials.cc |
diff --git a/components/variations/active_field_trials.cc b/components/variations/active_field_trials.cc |
index 71ff95d7e9f126defc1c3d4deb1c7058a30b37a2..bf35bc060cbc2ae4fe26ceba7098b2cef7a3ed1a 100644 |
--- a/components/variations/active_field_trials.cc |
+++ b/components/variations/active_field_trials.cc |
@@ -40,8 +40,8 @@ void AppendActiveGroupIdsAsStrings( |
} // namespace |
-ActiveGroupId MakeActiveGroupId(const std::string& trial_name, |
- const std::string& group_name) { |
+ActiveGroupId MakeActiveGroupId(base::StringPiece trial_name, |
+ base::StringPiece group_name) { |
ActiveGroupId id; |
id.name = metrics::HashName(trial_name); |
id.group = metrics::HashName(group_name); |