Implement new strategy for default apps

chrome/browser/resources/new_new_tab.js

Index: chrome/browser/resources/new_new_tab.js
diff --git a/chrome/browser/resources/new_new_tab.js b/chrome/browser/resources/new_new_tab.js
index 2373582420b37108bf3cc7a0de53afdf29f74b81..0a577d41c32e15b007056334741dd96161d0a950 100644
--- a/chrome/browser/resources/new_new_tab.js
+++ b/chrome/browser/resources/new_new_tab.js
@@ -1101,4 +1101,10 @@ document.addEventListener('DOMContentLoaded', function() {
   var promoText1 = $('apps-promo-text1');
   promoText1.innerHTML = promoText1.textContent;
   promoText1.querySelector('a').href = localStrings.getString('web_store_url');
+
+  $('apps-promo-hide').addEventListener('click', function() {
+    chrome.send('hideAppsPromo', []);
+    document.documentElement.classList.remove('apps-promo-visible');
+    layoutSections();
+  });
 });