Typecheck chrome://bookmarks using Closure Compiler

third_party/closure_compiler/externs/system_private.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.
+
+/** @fileoverview Externs generated from namespace: systemPrivate */
+
+/**
+ * Information about the system update.
+ * @typedef {{
+ *   state: string,
+ *   downloadProgress: number
+ * }}
+ */
+var UpdateStatus;
+
+/**
+ * Information about the volume.
+ * @typedef {{
+ *   volume: number,
+ *   isVolumeMuted: boolean
+ * }}
+ */
+var VolumeInfo;
+
+/**
+ * Information about a change to the screen brightness.
+ * @typedef {{
+ *   brightness: number,
+ *   userInitiated: boolean
+ * }}
+ */
+var BrightnessChangeInfo;
+
+/**
+ * @const
+ */
+chrome.systemPrivate = {};
+
+/**
+ * Returns whether the incognito mode is enabled, disabled or forced
+ * @param {Function} callback Called with the result.
+ */
+chrome.systemPrivate.getIncognitoModeAvailability = function(callback) {};
+
+/**
+ * Gets information about the system update.
+ * @param {Function} callback
+ */
+chrome.systemPrivate.getUpdateStatus = function(callback) {};
+
+/**
+ * Gets Chrome's API key to use for requests to Google services.
+ * @param {Function} callback
+ */
+chrome.systemPrivate.getApiKey = function(callback) {};
+
+/** @type {!ChromeEvent} */
+chrome.systemPrivate.onVolumeChanged;
+
+/** @type {!ChromeEvent} */
+chrome.systemPrivate.onBrightnessChanged;
+
+/** @type {!ChromeEvent} */
+chrome.systemPrivate.onScreenUnlocked;
+
+/** @type {!ChromeEvent} */
+chrome.systemPrivate.onWokeUp;
+
+