MD Settings: Dual-role charger selection

chrome/browser/resources/settings/device_page/device_page_browser_proxy.js

 // Copyright 2016 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 for testing the Device page. */
+cr.exportPath('settings');
+
+/**
+ * Mirrors DeviceType from ash/common/system/chromeos/power/power_status.h.
+ * @enum {number}
+ */
+settings.PowerDeviceType = {
+  DEDICATED_CHARGER: 0,
+  DUAL_ROLE_USB: 1,
+};
+
+/**
+ * @typedef {{
+ *   id: string,
+ *   type: settings.PowerDeviceType,
+ *   description: string
+ * }}
+ */
+settings.PowerSource;
+
+/**
+ * @typedef {{
+ *   charging: boolean,
+ *   calculating: boolean,
+ *   percent: number,
+ *   statusText: string,
+ * }}
+ */
+settings.BatteryStatus;
+
 cr.define('settings', function() {
   /** @interface */
   function DevicePageBrowserProxy() {}
 
   DevicePageBrowserProxy.prototype = {
     /** Initializes the mouse and touchpad handler. */
     initializePointers: function() {},
 
     /**
      * Override to interact with the on-tap/on-keydown event on the Learn More
      * link.
      * @param {!Event} e
      */
     handleLinkEvent: function(e) {},
 
     /** Initializes the keyboard WebUI handler. */
     initializeKeyboard: function() {},
 
     /** Shows the Ash keyboard shortcuts overlay. */
     showKeyboardShortcutsOverlay: function() {},
+
+    /** Requests a power status update. */
+    updatePowerStatus: function() {},
+
+    /**
+     * Sets the ID of the power source to use.
+     * @param {string} powerSourceId ID of the power source. '' denotes the
+     *     battery (no external power source).
+     */
+    setPowerSource: function(powerSourceId) {},
   };
 
   /**
    * @constructor
    * @implements {settings.DevicePageBrowserProxy}
    */
   function DevicePageBrowserProxyImpl() {}
   cr.addSingletonGetter(DevicePageBrowserProxyImpl);
 
   DevicePageBrowserProxyImpl.prototype = {
@@ skipping 12 matching lines @@
 
     /** @override */
     initializeKeyboard: function() {
       chrome.send('initializeKeyboardSettings');
     },
 
     /** @override */
     showKeyboardShortcutsOverlay: function() {
       chrome.send('showKeyboardShortcutsOverlay');
     },
+
+    /** @override */
+    updatePowerStatus: function() {
+      chrome.send('updatePowerStatus');
+    },
+
+    /** @override */
+    setPowerSource: function(powerSourceId) {
+      chrome.send('setPowerSource', [powerSourceId]);
+    },
   };
 
   return {
     DevicePageBrowserProxy: DevicePageBrowserProxy,
     DevicePageBrowserProxyImpl: DevicePageBrowserProxyImpl,
   };
 });