Add webui handler for promotions on Android NTP.

chrome/browser/resources/ntp_android/new_tab.html

Index: chrome/browser/resources/ntp_android/new_tab.html
diff --git a/chrome/browser/resources/ntp_android/new_tab.html b/chrome/browser/resources/ntp_android/new_tab.html
index b88ebceb7a7685795e427b2a0a7eac5635977b94..4346e2c158488757c5e1da3f69487e240694da43 100644
--- a/chrome/browser/resources/ntp_android/new_tab.html
+++ b/chrome/browser/resources/ntp_android/new_tab.html
@@ -14,6 +14,7 @@
     <link rel="stylesheet" href="incognito_tab.css">
     <!-- template data placeholder -->
     <script src="../shared/js/cr.js"></script>
+    <script src="../shared/js/parse_html_subset.js"></script>
     <script src="ntp_android.js"></script>
     <script>
       var MOCK = document.location.host != "newtab";
@@ -35,13 +36,14 @@
         </div>
         <div class="center-empty-container" id="sync_promo" style="display: none;">
           <div id="promo_message_on_sync_promo_legacy" class="center-empty-content" i18n-values=".innerHTML:syncPromo"></div>
+          <div id="promo_message_on_sync_promo_received" class="center-empty-content" style="display: none;"></div>
         </div>
         <div class="center-empty-container" id="sync_loading" style="display: none;">
           <div class="center-empty-content" i18n-values=".innerHTML:syncLoading"></div>
         </div>
         <div class="page-list" id="open_tabs_list" style="display: none;"></div>
+        <div class="page-list" id="promo_vc_list" style="display: none;"></div>
         <div class="page-list" id="snapshots_list" style="display: none;"></div>
-        <div id="promo_message_on_open_tabs" class="promo-message" style="display: none;"></div>
       </div>
       <div class="main-section" id="bookmarks_container">
         <div id="bookmarks_contents">