Settings: Fix Clear Browsing Data dialog scrolling to Privacy page

chrome/browser/resources/settings/settings_page/settings_subpage.js

Index: chrome/browser/resources/settings/settings_page/settings_subpage.js
diff --git a/chrome/browser/resources/settings/settings_page/settings_subpage.js b/chrome/browser/resources/settings/settings_page/settings_subpage.js
index 12e6d829cdc178b206904460b715300578655b94..c151def875a6c26bb04fc3f4d2be87aa77a17a3a 100644
--- a/chrome/browser/resources/settings/settings_page/settings_subpage.js
+++ b/chrome/browser/resources/settings/settings_page/settings_subpage.js
@@ -43,15 +43,7 @@ Polymer({
 
   /** @private */
   onTapBack_: function() {
-    var previousRoute =
-        window.history.state &&
-        assert(settings.getRouteForPath(
-            /** @type {string} */ (window.history.state)));
-
-    if (previousRoute)
-      window.history.back();
-    else
-      settings.navigateTo(assert(settings.getCurrentRoute().parent));
+    settings.navigateToPreviousRoute();
   },
 
   /** @private */