Bug 972844 - Add a Maybe Later link on about:feedback intro [r=mfinkle]

mobile/android/chrome/content/aboutFeedback.js

@@ -32,9 +32,9 @@ function init() {
 
   document.getElementById("open-play-store").addEventListener("click", openPlayStore, false);
   document.forms[0].addEventListener("submit", sendFeedback, false);
-  document.getElementById("no-thanks").addEventListener("click", function(evt) {
-    window.close();
-  }, false);
+  for (let anchor of document.querySelectorAll(".no-thanks")) {
+    anchor.addEventListener("click", evt => window.close(), false);
+  }
 
   let sumoLink = Services.urlFormatter.formatURLPref("app.support.baseURL");
   document.getElementById("sumo-link").href = sumoLink;

mobile/android/chrome/content/aboutFeedback.xhtml

@@ -35,6 +35,7 @@
     </div>
     <div class="bottom-links">
       <a class="maybe-later">&intro.maybeLater;</a>
+      <a class="no-thanks">&happy.noThanks;</a>
     </div>
   </section>
 
@@ -50,7 +51,7 @@
     </div>
     <div class="bottom-links">
       <a class="maybe-later">&happy.maybeLater2;</a>
-      <a id="no-thanks">&happy.noThanks;</a>
+      <a class="no-thanks">&happy.noThanks;</a>
     </div>
   </section>