[cros] Make disconnected icons used by network drop-down and network button consistent.

chrome/browser/resources/chromeos/login/header_bar.js

Index: chrome/browser/resources/chromeos/login/header_bar.js
diff --git a/chrome/browser/resources/chromeos/login/header_bar.js b/chrome/browser/resources/chromeos/login/header_bar.js
index 3f82c60c8c3f2f135160a9072c6159ffe9bfed88..e27b2d4f2d40e37b377c28bfb4a58e08d42d1fca 100644
--- a/chrome/browser/resources/chromeos/login/header_bar.js
+++ b/chrome/browser/resources/chromeos/login/header_bar.js
@@ -84,8 +84,9 @@ cr.define('login', function() {
    * @param {Integer} state Current state of the network (see NET_STATE).
    * @param {string} network Name of the network.
    * @param {string} reason Reason the callback was called.
+   * @param {int} last Last active network type.
    */
-  HeaderBar.handleAddUser = function(state, network, reason) {
+  HeaderBar.handleAddUser = function(state, network, reason, last) {
     if (state != NET_STATE.OFFLINE) {
       Oobe.showSigninUI();
     } else {
@@ -101,8 +102,9 @@ cr.define('login', function() {
    * @param {Integer} state Current state of the network (see NET_STATE).
    * @param {string} network Name of the network.
    * @param {string} reason Reason the callback was called.
+   * @param {int} last Last active network type.
    */
-  HeaderBar.bubbleWatchdog = function(state, network, reason) {
+  HeaderBar.bubbleWatchdog = function(state, network, reason, last) {
     if (state != NET_STATE.OFFLINE) {
       $('bubble').hideForElement($('add-user-button'));
       chrome.send('loginRemoveNetworkStateObserver',