Add "create Application Shortcut" to the app menu on NTP.

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!-- This file contains definitions of resources that will be translated for
 each locale. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/generated_resources.h" type="rc_header">
       <emit emit_type='prepend'></emit>
@@ skipping 7499 matching lines @@
         Settings
       </message>
       <message name="IDS_NEW_TAB_APP_UNINSTALL"
                desc="Text for the button that allows uninstalling an app.">
         Uninstall
       </message>
       <message name="IDS_NEW_TAB_APP_OPTIONS"
                desc="Text for the button that takes the user to the options of an app.">
         Options
       </message>
+      <message name="IDS_NEW_TAB_APP_CREATE_SHORTCUT"
+               desc="Text for the button that creates an app shortcut.">
+        Create shortcut
+      </message>
       <message name="IDS_APP_CONTEXT_MENU_OPEN_PINNED"
                desc="Text for the button that opens the app in a pinned tab.">
         Open as pinned tab
       </message>
       <message name="IDS_APP_CONTEXT_MENU_OPEN_REGULAR"
                desc="Text for the button that opens the app in a regular tab.">
         Open as regular tab
       </message>
       <message name="IDS_APP_CONTEXT_MENU_OPEN_WINDOW"
                desc="Text for the button that opens the app in an app window.">
@@ skipping 3667 matching lines @@
 
     </messages>
 
     <structures fallback_to_english="true">
       <structure name="IDD_CHROME_FRAME_FIND_DIALOG" file="cf_resources.rc" type="dialog" >
       </structure>
     </structures>
 
   </release>
 </grit>