Initial work on browser incognito mode history feature.

Change-Id: I5d1575a9b74704abc313b322ae08ca7caaccdc69
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 0dcfa9e..af0bbe9 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -20,6 +20,8 @@
     <string name="choose_upload">Choose file for upload</string>
     <!-- Name of menu item of a new tab.  Also used in the title bar when displaying a new tab -->
     <string name="new_tab">New window</string>
+    <!-- Name of menu item of a new incognito tab.  Also used in the title bar when displaying a new tab -->
+    <string name="new_incognito_tab">New incognito window</string>
     <!-- Name of menu item which brings up a list of the currently active tabs -->
     <string name="active_tabs">Windows</string>
     <!-- Name of tab containing bookmarks -->