Added shortcut for NW config screen in kiosk.

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

Index: chrome/browser/resources/chromeos/login/screen_error_message.js
diff --git a/chrome/browser/resources/chromeos/login/screen_error_message.js b/chrome/browser/resources/chromeos/login/screen_error_message.js
index 36ef6dd442aff95d1ab206165bb61eb6068bbc54..52fa33b98988adad5343749439a2219fe9ace2ad 100644
--- a/chrome/browser/resources/chromeos/login/screen_error_message.js
+++ b/chrome/browser/resources/chromeos/login/screen_error_message.js
@@ -40,7 +40,8 @@ login.createScreen('ErrorMessageScreen', 'error-message', function() {
     PORTAL: 'error-state-portal',
     OFFLINE: 'error-state-offline',
     PROXY: 'error-state-proxy',
-    AUTH_EXT_TIMEOUT: 'error-state-auth-ext-timeout'
+    AUTH_EXT_TIMEOUT: 'error-state-auth-ext-timeout',
+    KIOSK_ONLINE: 'error-state-kiosk-online'
   };
 
   // Possible error states of the screen. Must be in the same order as
@@ -50,7 +51,8 @@ login.createScreen('ErrorMessageScreen', 'error-message', function() {
     ERROR_STATE.PORTAL,
     ERROR_STATE.OFFLINE,
     ERROR_STATE.PROXY,
-    ERROR_STATE.AUTH_EXT_TIMEOUT
+    ERROR_STATE.AUTH_EXT_TIMEOUT,
+    ERROR_STATE.KIOSK_ONLINE
   ];
 
   return {
@@ -226,6 +228,16 @@ login.createScreen('ErrorMessageScreen', 'error-message', function() {
       });
       buttons.push(certsButton);
 
+      var continueButton = this.ownerDocument.createElement('button');
+      continueButton.id = 'continue-network-config-btn';
+      continueButton.textContent = loadTimeData.getString('continueButton');
+      continueButton.classList.add('show-with-error-state-kiosk-online');
+      continueButton.addEventListener('click', function(e) {
+        chrome.send('continueAppLaunch');
+        e.stopPropagation();
+      });
+      buttons.push(continueButton);
+
       var spacer = this.ownerDocument.createElement('div');
       spacer.classList.add('button-spacer');
       spacer.classList.add('show-with-ui-state-kiosk-mode');