App list sync unit tests

chrome/browser/resources/settings/google_assistant_page/google_assistant_browser_proxy.js

+// Copyright 2017 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.
+
+/**
+ * @fileoverview A helper object used from the google assistant section
+ * to interact with the browser.
+ */
+
+cr.define('settings', function() {
+  console.log("setting up assistant browser proxy");
+  /** @interface */
+  class GoogleAssistantBrowserProxy {
+    /**
+     * Enables or disables the Google Assistant.
+     * @param {boolean} assistantEnabled
+     */
+    setGoogleAssistantEnabled(assistantEnabled) {}
+
+    /**
+     * Enables or disables screen context for the Google Assistant.
+     * @param {boolean} contextEnabled
+     */
+    setGoogleAssistantContextEnabled(contextEnabled) {}
+
+    /**
+     * Launches into the Google Assistant app settings.
+     */
+    launchGoogleAssistantSettings() {}
+  }
+
+  /**
+   * @implements {settings.GoogleAssistantBrowserProxy}
+   */
+  class GoogleAssistantBrowserProxyImpl {
+    /** @override */
+    setGoogleAssistantEnabled(assistantEnabled) {
+      chrome.send('setGoogleAssistantEnabled', [assistantEnabled]);
+    }
+
+    /** @override */
+    setGoogleAssistantContextEnabled(contextEnabled) {
+      chrome.send('setGoogleAssistantContextEnabled', [contextEnabled]);
+    }
+
+    /** @override */
+    showGoogleAssistantSettings() {
+      chrome.send('showGoogleAssistantSettings');
+    }
+
+  }
+
+  // The singleton instance_ is replaced with a test version of this wrapper
+  // during testing.
+  cr.addSingletonGetter(GoogleAssistantBrowserProxyImpl);
+
+  return {
+    GoogleAssistantBrowserProxy: GoogleAssistantBrowserProxy,
+    GoogleAssistantBrowserProxyImpl: GoogleAssistantBrowserProxyImpl,
+  };
+});