Update the web store promo to be clearer and configurable at run-time.

chrome/browser/resources/new_new_tab.js

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // To avoid creating tons of unnecessary nodes. We assume we cannot fit more
 // than this many items in the miniview.
 var MAX_MINIVIEW_ITEMS = 15;
 
 // Extra spacing at the top of the layout.
 var LAYOUT_SPACING_TOP = 25;
@@ skipping 69 matching lines @@
   span.appendChild(a);
   menu.appendChild(span);
 }
 
 function addClosedMenuEntry(menu, url, title, imageUrl, opt_pingUrl) {
   var a = document.createElement('a');
   a.href = url;
   a.textContent = title;
   a.style.backgroundImage = 'url(' + imageUrl + ')';
   if (opt_pingUrl)
-    a.setAttribute('ping', opt_pingUrl);
+    a.ping = opt_pingUrl;
   addClosedMenuEntryWithLink(menu, a);
 }
 
 function addClosedMenuFooter(menu, sectionId, mask, opt_section) {
   menu.appendChild(document.createElement('hr'));
 
   var span = document.createElement('span');
   var a = span.appendChild(document.createElement('a'));
   a.href = '';
   if (cr.isChromeOS) {
@@ skipping 179 matching lines @@
   if (isWindow) {
     el = document.createElement('span');
     el.className = 'item link window';
     el.tabItems = data.tabs;
     el.tabIndex = 0;
     el.textContent = formatTabsText(data.tabs.length);
   } else {
     el = document.createElement('a');
     el.className = 'item';
     el.href = data.url;
-    el.setAttribute('ping',
-        getAppPingUrl('PING_BY_URL', data.url, 'NTP_RECENTLY_CLOSED'));
+    el.ping = getAppPingUrl(
+        'PING_BY_URL', data.url, 'NTP_RECENTLY_CLOSED');
     el.style.backgroundImage = url('chrome://favicon/' + data.url);
     el.dir = data.direction;
     el.textContent = data.title;
   }
   el.sessionId = data.sessionId;
   el.xtitle = data.title;
   el.sessionTag = data.sessionTag;
   var wrapperEl = document.createElement('span');
   wrapperEl.appendChild(el);
   return wrapperEl;
 }
 
 function addRecentMenuItem(menu, data) {
   var isWindow = data.type == 'window';
   var a = document.createElement('a');
   if (isWindow) {
     a.textContent = formatTabsText(data.tabs.length);
     a.className = 'window';  // To get the icon from the CSS .window rule.
     a.href = '';  // To make underline show up.
   } else {
     a.href = data.url;
-    a.setAttribute('ping',
-        getAppPingUrl('PING_BY_URL', data.url, 'NTP_RECENTLY_CLOSED'));
+    a.ping = getAppPingUrl(
+        'PING_BY_URL', data.url, 'NTP_RECENTLY_CLOSED');
     a.style.backgroundImage = 'url(chrome://favicon/' + data.url + ')';
     a.textContent = data.title;
   }
   function clickHandler(e) {
     chrome.send('reopenTab', [String(data.sessionId)]);
     e.preventDefault();
   }
   a.addEventListener('click', clickHandler);
   addClosedMenuEntryWithLink(menu, a);
 }
@@ skipping 744 matching lines @@
   if (actionLink) {
     actionLink.tabIndex = -1;
     actionLink.blur();
   }
   if (closeButton) {
     closeButton.tabIndex = -1;
     closeButton.blur();
   }
 }
 
-function showFirstRunNotification() {
-  showNotification(localStrings.getString('firstrunnotification'),
-                   null, null, 30000);
-  var notificationElement = $('notification');
-  notification.classList.add('first-run');
-}
-
 function showPromoNotification() {
   showNotification(parseHtmlSubset(localStrings.getString('serverpromo')),
                    localStrings.getString('syncpromotext'),
                    function () { chrome.send('SyncLinkClicked'); },
                    60000);
   var notificationElement = $('notification');
   notification.classList.add('promo');
 }
 
 $('main').addEventListener('click', function(e) {
@@ skipping 347 matching lines @@
   mostVisited.layout();
   layoutSections();
 
   // Remove class name in a timeout so that changes done in this JS thread are
   // not animated.
   window.setTimeout(function() {
     mostVisited.ensureSmallGridCorrect();
     maybeDoneLoading();
   }, 1);
 
-  // Only show the first run notification if first run.
-  if (firstRun) {
-    showFirstRunNotification();
-  } else if (localStrings.getString('serverpromo')) {
+  if (localStrings.getString('serverpromo')) {
     showPromoNotification();
   }
 }
 
 function maybeDoneLoading() {
   if (mostVisited.data && apps.loaded)
     document.body.classList.remove('loading');
 }
 
 function isDoneLoading() {
   return !document.body.classList.contains('loading');
 }
 
-// Initialize the apps promo.
+// Initialize the listener for the "hide this" link on the apps promo. We do
+// this outside of getAppsCallback because it only needs to be done once per
+// NTP load.
 document.addEventListener('DOMContentLoaded', function() {
-  var promoLink = document.querySelector('#apps-promo-text1 a');
-  promoLink.id = 'apps-promo-link';
-  promoLink.href = localStrings.getString('web_store_url');
-
   $('apps-promo-hide').addEventListener('click', function() {
     chrome.send('hideAppsPromo', []);
     document.documentElement.classList.remove('apps-promo-visible');
     layoutSections();
   });
 });