MD Settings: remove unsupported routes from guest-mode.

chrome/browser/resources/settings/printing_page/printing_page.js

Index: chrome/browser/resources/settings/printing_page/printing_page.js
diff --git a/chrome/browser/resources/settings/printing_page/printing_page.js b/chrome/browser/resources/settings/printing_page/printing_page.js
index 2a783f10a1fdb97ca56009584570c1e48239aebd..6ca0162982fadd7257d2111c0c0af43b9e6866f1 100644
--- a/chrome/browser/resources/settings/printing_page/printing_page.js
+++ b/chrome/browser/resources/settings/printing_page/printing_page.js
@@ -40,12 +40,17 @@ Polymer({
       type: Object,
       value: function() {
         var map = new Map();
-        map.set(
-            settings.Route.CLOUD_PRINTERS.path,
-            '#cloudPrinters .subpage-arrow');
+        if (settings.routes.CLOUD_PRINTERS) {
+          map.set(
+              settings.routes.CLOUD_PRINTERS.path,
+              '#cloudPrinters .subpage-arrow');
+        }
         // <if expr="chromeos">
-        map.set(
-            settings.Route.CUPS_PRINTERS.path, '#cupsPrinters .subpage-arrow');
+        if (settings.routes.CUPS_PRINTERS) {
+          map.set(
+              settings.routes.CUPS_PRINTERS.path,
+              '#cupsPrinters .subpage-arrow');
+        }
         // </if>
         return map;
       },
@@ -59,18 +64,18 @@ Polymer({
   // <if expr="chromeos">
   /** @private */
   onTapCupsPrinters_: function() {
-    settings.navigateTo(settings.Route.CUPS_PRINTERS);
+    settings.navigateTo(settings.routes.CUPS_PRINTERS);
   },
 
   /** @private */
   onShowCupsPrinterDetailsPage_: function(event) {
-    settings.navigateTo(settings.Route.CUPS_PRINTER_DETAIL);
+    settings.navigateTo(settings.routes.CUPS_PRINTER_DETAIL);
     this.$.arraySelector.select(event.detail);
   },
   // </if>
 
   /** @private */
   onTapCloudPrinters_: function() {
-    settings.navigateTo(settings.Route.CLOUD_PRINTERS);
+    settings.navigateTo(settings.routes.CLOUD_PRINTERS);
   },
 });