Add strings for extension / sync promos.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
===================================================================
--- chrome/app/generated_resources.grd	(revision 31540)
+++ chrome/app/generated_resources.grd	(working copy)
@@ -5687,7 +5687,15 @@
       <message name="IDS_NOTIFICATION_PERMISSION_NO" desc="The label of the 'deny' button on the notification permission infobar.">
         Deny
       </message>
-
+      
+      <!-- New Tab Page Promotional messages -->
+      <message name="IDS_NTP_PROMOTION_NEW" desc="Beginning of promotional message; a word in special red font signaling something new is coming.">
+        New!
+      </message>
+      <message name="IDS_NTP_PROMOTION_MESSAGE" desc="Promotional message about new extensions and bookmark sync features.">
+        <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> now has <ph name="BEGIN_LINK">&lt;a href="$2"&gt;</ph>extensions<ph name="END_LINK">&lt;/a&gt;</ph> and <ph name="BEGIN2_LINK">&lt;a href="$3"&gt;</ph>bookmark sync<ph name="END2_LINK">&lt;/a&gt;</ph>.
+      </message>
+        
       <!-- Mac Menubar Menus -->
       <if expr="os == 'darwin'">
         <!-- Menubar Menu Titles -->