arc: Handle ARC events in MD Settings

chrome/browser/resources/settings/android_apps_page/android_apps_subpage.js

Index: chrome/browser/resources/settings/android_apps_page/android_apps_subpage.js
diff --git a/chrome/browser/resources/settings/android_apps_page/android_apps_subpage.js b/chrome/browser/resources/settings/android_apps_page/android_apps_subpage.js
index 9dae8ffd8403d2b9a06e8160b58746fcc3fe1d1c..39f29035cd52ae3471db852ee18bdc90da80266a 100644
--- a/chrome/browser/resources/settings/android_apps_page/android_apps_subpage.js
+++ b/chrome/browser/resources/settings/android_apps_page/android_apps_subpage.js
@@ -38,6 +38,23 @@ Polymer({
     this.browserProxy_ = settings.AndroidAppsBrowserProxyImpl.getInstance();
   },
 
+  /** @override */
+  ready: function() {
+    cr.addWebUIListener(
+        'android-apps-info-update', this.androidAppsInfoUpdate_.bind(this));
+  },

[stevenjb, 2017/05/11 17:46:54]

No need for this.

[khmel, 2017/05/11 19:09:46]

Done.

+
+  /**
+   * @param {AndroidAppsInfo} info
+   * @private
+   */
+  androidAppsInfoUpdate_: function(info) {

[stevenjb, 2017/05/11 17:46:54]

onAndroidAppsInfoUpdate_: function() {

[khmel, 2017/05/11 19:09:46]

Done. However I have to discard root app element from testing to avoid problem
when this multiple observers from android_apps_page change this info and as
result multiple back requests are issued which breaks the test.

+    if (!info.playStoreEnabled &&

[stevenjb, 2017/05/11 17:46:54]

if (this.androidAppsInfo.playStoreEnabled &&

[khmel, 2017/05/11 19:09:46]

Done.

+        settings.getCurrentRoute() == settings.Route.ANDROID_APPS_DETAILS) {

[stevenjb, 2017/05/11 17:46:54]

This test should no longer be necessary since the subpage will be templated out
(i.e. will be removed) when the route is not ANDROID_APPS_DETAILS.

[khmel, 2017/05/11 19:09:46]

Good point, right.

+      settings.navigateToPreviousRoute();
+    }
+  },
+
   /**
    * @param {Event} event
    * @private