incognito mode added for large screens

Change-Id: I8a3b479acc50c7e658e5d24e83ccf9256f4bf592
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 00e2008..238cf5c 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -197,6 +197,8 @@
     <string name="open_in_new_window">Open in new window</string>
     <!-- Menu item to open a dialog which allows the user to enter a url or do search-->
     <string name="goto_dot">Go</string>
+    <!-- Menu item that opens up a new incognito tab.  -->
+    <string name="incognito_tab">Open new incognito tab</string>
     <!-- Menu item that opens up a dialog which allows the user to provide a
             string and search for it on the page. -->
     <string name="find_dot">Find on page</string>