[MD settings] rename lastRoutChangeWasPopstate var

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 ab0c682e3a658ccae27c3b1087d02f9ff1e0a88e..9733d6311c0aac0bb34c330643c3c6caf4f28cef 100644
--- a/chrome/test/data/webui/settings/route_tests.js
+++ b/chrome/test/data/webui/settings/route_tests.js
@@ -151,19 +151,19 @@ suite('route', function() {
 
   test('popstate flag works', function() {
     settings.navigateTo(settings.Route.BASIC);
-    assertFalse(settings.lastRouteChangeWasPopstate());
+    assertFalse(settings.wasLastRouteChangePopstate());
 
     settings.navigateTo(settings.Route.PEOPLE);
-    assertFalse(settings.lastRouteChangeWasPopstate());
+    assertFalse(settings.wasLastRouteChangePopstate());
 
     return whenPopState(function() {
       window.history.back();
     }).then(function() {
       assertEquals(settings.Route.BASIC, settings.getCurrentRoute());
-      assertTrue(settings.lastRouteChangeWasPopstate());
+      assertTrue(settings.wasLastRouteChangePopstate());
 
       settings.navigateTo(settings.Route.ADVANCED);
-      assertFalse(settings.lastRouteChangeWasPopstate());
+      assertFalse(settings.wasLastRouteChangePopstate());
     });
   });