Only disable SHA-1 for local trust anchors if there's a PrefService

components/ssl_config/ssl_config_service_manager_pref.cc

Index: components/ssl_config/ssl_config_service_manager_pref.cc
diff --git a/components/ssl_config/ssl_config_service_manager_pref.cc b/components/ssl_config/ssl_config_service_manager_pref.cc
index a870ab12a0c4aaf1ca708e6c6fe05656a788963c..0dab204ee2f47518518e1ba982e3779f8435148b 100644
--- a/components/ssl_config/ssl_config_service_manager_pref.cc
+++ b/components/ssl_config/ssl_config_service_manager_pref.cc
@@ -240,7 +240,7 @@ void SSLConfigServiceManagerPref::RegisterPrefs(PrefRegistrySimple* registry) {
       ssl_config::prefs::kCertRevocationCheckingRequiredLocalAnchors,
       default_config.rev_checking_required_local_anchors);
   registry->RegisterBooleanPref(ssl_config::prefs::kCertEnableSha1LocalAnchors,
-                                default_config.sha1_local_anchors_enabled);
+                                false);
   registry->RegisterStringPref(ssl_config::prefs::kSSLVersionMin,
                                std::string());
   registry->RegisterStringPref(ssl_config::prefs::kSSLVersionMax,