MD Settings: Fix endless recursion when exiting CBD dialog.

chrome/browser/resources/settings/route.js

Index: chrome/browser/resources/settings/route.js
diff --git a/chrome/browser/resources/settings/route.js b/chrome/browser/resources/settings/route.js
index fa0b68482579a3f41803ee018523cbac05e18c23..ae0fc19bdaf5df99d97bf0b485d79a47580a25f9 100644
--- a/chrome/browser/resources/settings/route.js
+++ b/chrome/browser/resources/settings/route.js
@@ -369,6 +369,11 @@ cr.define('settings', function() {
    *     parameter during navigation. Defaults to false.
    */
   var navigateTo = function(route, opt_dynamicParameters, opt_removeSearch) {
+    // The ADVANCED route only serves as a parent of subpages, and should not
+    // be possible to navigate to it directly.
+    if (route == settings.Route.ADVANCED)
+      route = settings.Route.BASIC;
+
     var params = opt_dynamicParameters || new URLSearchParams();
     var removeSearch = !!opt_removeSearch;