diff -up chromium-66.0.3359.117/chrome/browser/supervised_user/supervised_user_url_filter.cc.flatsetfix chromium-66.0.3359.117/chrome/browser/supervised_user/supervised_user_url_filter.cc

--- chromium-66.0.3359.117/chrome/browser/supervised_user/supervised_user_url_filter.cc.flatsetfix	2018-04-30 14:22:23.997461566 -0400

+++ chromium-66.0.3359.117/chrome/browser/supervised_user/supervised_user_url_filter.cc	2018-04-30 14:22:51.867920383 -0400

@@ -368,7 +368,7 @@ SupervisedUserURLFilter::GetFilteringBeh

   // Allow navigations to whitelisted origins (currently families.google.com).

   static const base::NoDestructor<base::flat_set<GURL>> kWhitelistedOrigins(

-      {GURL(kFamiliesUrl).GetOrigin()});

+      base::flat_set<GURL>({GURL(kFamiliesUrl).GetOrigin()}));

   if (base::ContainsKey(*kWhitelistedOrigins, effective_url.GetOrigin()))

     return ALLOW;