arc: Handle ARC events in MD Settings

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

Index: chrome/browser/resources/settings/android_apps_page/android_apps_page.js
diff --git a/chrome/browser/resources/settings/android_apps_page/android_apps_page.js b/chrome/browser/resources/settings/android_apps_page/android_apps_page.js
index 861731780652ab51607d5907c609012ddb6e61da..8369aad32104f8abb0430507298ed362d30fbd5c 100644
--- a/chrome/browser/resources/settings/android_apps_page/android_apps_page.js
+++ b/chrome/browser/resources/settings/android_apps_page/android_apps_page.js
@@ -33,6 +33,9 @@ Polymer({
         return map;
       },
     },
+
+    /** @private {!WebUIListener} */

[stevenjb, 2017/05/11 20:33:51]

This can just be a member variable like browserProxy_:

/** @private {!WebUIListener} */
listener_: null,

[khmel, 2017/05/11 20:38:11]

Done.

+    listener_: Object,
   },
 
   /** @private {?settings.AndroidAppsBrowserProxy} */
@@ -44,11 +47,17 @@ Polymer({
   },
 
   /** @override */
-  ready: function() {
-    cr.addWebUIListener(
+  attached: function() {
+    this.listener_ = cr.addWebUIListener(
         'android-apps-info-update', this.androidAppsInfoUpdate_.bind(this));
     this.browserProxy_.requestAndroidAppsInfo();
   },
+
+  /** @override */
+  detached: function() {
+    cr.removeWebUIListener(this.listener_);
+  },
+
   /**
    * @param {AndroidAppsInfo} info
    * @private
@@ -68,7 +77,7 @@ Polymer({
 
   /** @private */
   onSubpageTap_: function() {
-    if (this.androidAppsInfo_.appReady)
+    if (this.androidAppsInfo_.playStoreEnabled)
       settings.navigateTo(settings.Route.ANDROID_APPS_DETAILS);
   },
 });