MD Settings: Allow trailing slashes in otherwise valid URLs.

chrome/test/data/webui/settings/route_tests.js

Index: chrome/test/data/webui/settings/route_tests.js
diff --git a/chrome/test/data/webui/settings/route_tests.js b/chrome/test/data/webui/settings/route_tests.js
index eb5b01d1e1c553c139232c4e9b0d43e5e15f2f06..4d595b44de0bc6f72baf0bc4c4c09dcb3bf4fc21 100644
--- a/chrome/test/data/webui/settings/route_tests.js
+++ b/chrome/test/data/webui/settings/route_tests.js
@@ -157,4 +157,25 @@ suite('route', function() {
       assertFalse(settings.lastRouteChangeWasPopstate());
     });
   });
+
+  test('getRouteForPath trailing slashes', function() {
+    assertEquals(settings.Route.BASIC, settings.getRouteForPath('/'));
+    assertEquals(null, settings.getRouteForPath('//'));
+
+    // Simple path.
+    assertEquals(settings.Route.PEOPLE, settings.getRouteForPath('/people/'));
+    assertEquals(settings.Route.PEOPLE, settings.getRouteForPath('/people'));
+
+    // Path with a slash.
+    assertEquals(
+        settings.Route.SITE_SETTINGS_COOKIES,
+        settings.getRouteForPath('/content/cookies/'));
+
+    if (cr.isChromeOS) {
+      // Path with a dash.
+      assertEquals(
+          settings.Route.KEYBOARD,
+          settings.getRouteForPath('/keyboard-overlay/'));
+    }
+  });
 });