Create Bookmark Footnote desktop iOS promotion

chrome/app/bookmarks_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Bookmarks specific strings (included from generated_resources.grd). -->
 <grit-part>
   <!-- Begin of Bookmarks Bar strings-->
   <if expr="not is_android">
     <!-- The following two strings are shown when the user has no bookmarks yet. -->
     <message name="IDS_BOOKMARKS_NO_ITEMS" desc="Text shown when the user has no bookmarks">
       For quick access, place your bookmarks here on the bookmarks bar.
     </message>
     <message name="IDS_BOOKMARK_BAR_IMPORT_LINK" desc="text shown for importing ">
@@ skipping 226 matching lines @@
   <if expr="is_win">
     <message name="IDS_BOOKMARK_BUBBLE_DESKTOP_TO_IOS_PROMO_TITLE" desc="Title for Chrome iOS promotion appearing in the bookmark bubble after a bookmark is saved.">
       Sync this bookmark to your iPhone
     </message>
     <message name="IDS_BOOKMARK_BUBBLE_DESKTOP_TO_IOS_PROMO_TITLE_V2" desc="Title for Chrome iOS promotion appearing in the bookmark bubble after a bookmark is saved.">
       Get this bookmark on your iPhone
     </message>
     <message name="IDS_BOOKMARK_BUBBLE_DESKTOP_TO_IOS_PROMO_TITLE_V3" desc="Title for Chrome iOS promotion appearing in the bookmark bubble after a bookmark is saved.">
       Share this bookmark with your iPhone
     </message>
+    <message name="IDS_BOOKMARK_FOOTNOTE_DESKTOP_TO_IOS_PROMO_MESSAGE" desc="Text of the Chrome iOS promotion displayed at the bottom of the bookmark bubble.">
+      To get your bookmarks on your mobile device, <ph name="GET_IOS_APP_LINK">$1<ex>get the application on your iPhone</ex></ph>.
+    </message>
   </if>
   <!-- End of Desktop to iOS Promo strings. -->
 
   <!-- Begin of Bookmark Editor strings. -->
   <message name="IDS_BOOKMARK_EDITOR_NAME_LABEL" desc="Label shown before the title/name of the URL.">
     Name:
   </message>
   <message name="IDS_BOOKMARK_AX_EDITOR_NAME_LABEL" desc="Spoken text for bookmark name text field in edit folder dialog">
     Bookmark name
   </message>
@@ skipping 187 matching lines @@
   </if>
   <!-- End of Bookmarks Menu (in the Main Menu) strings. -->
 
   <!-- Begin of Bookmark Star button strings. -->
   <message name="IDS_TOOLTIP_STARRED" desc="The tooltip shown when you hover the star button in the right side of the location bar and the current page is bookmarked.">
     Edit bookmark for this page
   </message>
   <!-- End of Bookmark Star button strings. -->
 
 </grit-part>