Hotword Audio Verification App: Adds hotwording assets and basic opt-in flow.

chrome/browser/resources/hotword_audio_verification/main.js

+// Copyright 2014 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.
+
+var appWindow = chrome.app.window.current();
+
+document.addEventListener('DOMContentLoaded', function() {
+  var flow = new Flow();
+  flow.startFlow();
+
+  // Make the close buttons close the app window.
+  var closeButtons = document.getElementsByClassName('close');
+  for (var i = 0; i < closeButtons.length; ++i) {
+    var closeButton = closeButtons[i];
+    closeButton.addEventListener('click', function(e) {
+      appWindow.close();
+      e.stopPropagation();
+    });
+  }
+
+  $('ah-cancel-button').addEventListener('click', function(e) {
+    appWindow.close();
+    e.stopPropagation();
+  });
+
+  $('hw-cancel-button').addEventListener('click', function(e) {
+    appWindow.close();
+    e.stopPropagation();
+  });
+
+  $('st-cancel-button').addEventListener('click', function(e) {
+    appWindow.close();
+    e.stopPropagation();
+  });
+
+  $('ah-agree-button').addEventListener('click', function(e) {
+    // TODO(kcarattini): Set the Audio History setting.
+    appWindow.close();
+    e.stopPropagation();
+  });
+
+  $('hw-agree-button').addEventListener('click', function(e) {
+    // TODO(kcarattini): Set the Audio History setting.
+    flow.advanceStep();
+    e.stopPropagation();
+  });
+
+  // TODO(kcarattini): Remove this once speech training is implemented. The
+  // way to get to the next page will be to complete the speech training.
+  $('training').addEventListener('click', function(e) {
+    // TODO(kcarattini): Set the always-on-hotword setting.
+    flow.advanceStep();
+    e.stopPropagation();
+  });
+
+  $('try-now-button').addEventListener('click', function(e) {
+    // TODO(kcarattini): Figure out what happens when you click this button.
+    appWindow.close();
+    e.stopPropagation();
+  });
+});