ntp4: hook up 'no thanks' app promo link.

chrome/browser/resources/ntp4/apps_page.js

Index: chrome/browser/resources/ntp4/apps_page.js
diff --git a/chrome/browser/resources/ntp4/apps_page.js b/chrome/browser/resources/ntp4/apps_page.js
index 24a58a7554af0b87dfa81ba8324e06c20cef43a3..d7374c48f783c3635c9b30f1d2ff85df41a3adbb 100644
--- a/chrome/browser/resources/ntp4/apps_page.js
+++ b/chrome/browser/resources/ntp4/apps_page.js
@@ -231,12 +231,24 @@ cr.define('ntp4', function() {
       this.appsPromoHide_ =
           this.appsPromoExtras_.querySelector('.apps-promo-hide');
 
+      this.appsPromoHide_.addEventListener('click',
+                                           this.onHidePromoClicked_.bind(this));
+
       this.appendChild(this.appsPromoExtras_);
       this.appsPromoExtras_.hidden = false;
       // TODO(estade): A ping url needs to be set for the app icon.
     },
 
     /**
+     * Handles when the "No, thanks" promo link is clicked.
+     * @private
+     */
+    onHidePromoClicked_: function(e) {
+      chrome.send('hideAppsPromo');
+      this.setAppsPromoData(null);
+    },
+
+    /**
      * Sets the apps promo appearance. If |data| is null, there is no promo. If
      * |data| is non-null, it contains strings to be shown for the promo. The
      * promo is only shown when the webstore app icon is alone on a page.