Index: ios/web/navigation/crw_session_controller_unittest.mm |
diff --git a/ios/web/navigation/crw_session_controller_unittest.mm b/ios/web/navigation/crw_session_controller_unittest.mm |
index bd4e69310b7b65644e328353442cf83d70d49781..8a9171c2bddaf934ea1c52ae19216b3634c7cb29 100644 |
--- a/ios/web/navigation/crw_session_controller_unittest.mm |
+++ b/ios/web/navigation/crw_session_controller_unittest.mm |
@@ -51,7 +51,7 @@ class CRWSessionControllerTest : public PlatformTest { |
browserState:&browser_state_]); |
} |
- web::Referrer MakeReferrer(std::string url) { |
+ web::Referrer MakeReferrer(const std::string& url) { |
return web::Referrer(GURL(url), web::ReferrerPolicyDefault); |
} |