Add options and a browser-action popup.

go-back-with-backspace/pages/installed.js

+// Copyright 2016 Google Inc. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Initialize the page.
+function init() {
+  // Load internationalized strings.
+  var all = document.getElementsByTagName('*');

[ojan, 2016/09/15 19:07:15]

document.querySelectorAll('[i18n]') should be faster and get you just the
elements you actually need to update.

It doesn't really matter in practice since this page is small.

+  for (var i = 0; i < all.length; ++i) {
+    var i18n = all[i].getAttribute('i18n');
+    if (i18n)
+      all[i].textContent = chrome.i18n.getMessage(i18n);
+  }
+
+  document.getElementById('report_page').onclick = function() {
+    reportPage();
+  };
+
+  document.getElementById('open_options').onclick = function() {
+    chrome.runtime.openOptionsPage();
+  };
+
+}
+
+window.addEventListener('load', init, false);