Enable device disabling during normal operation

chrome/browser/ui/webui/chromeos/login/device_disabled_screen_handler.cc

 // 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.
 
 #include "chrome/browser/ui/webui/chromeos/login/device_disabled_screen_handler.h"
 
 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
 #include "chrome/grit/generated_resources.h"
 
@@ skipping 30 matching lines @@
 void DeviceDisabledScreenHandler::Hide() {
   show_on_init_ = false;
 }
 
 void DeviceDisabledScreenHandler::SetDelegate(Delegate* delegate) {
   delegate_ = delegate;
   if (page_is_ready())
     Initialize();
 }
 
+void DeviceDisabledScreenHandler::UpdateMessage(const std::string& message) {
+  message_ = message;
+  if (page_is_ready())
+    CallJS("setMessage", message);
+}
+
 void DeviceDisabledScreenHandler::DeclareLocalizedValues(
     LocalizedValuesBuilder* builder) {
   builder->Add("deviceDisabledHeading", IDS_DEVICE_DISABLED_HEADING);
   builder->Add("deviceDisabledExplanation", IDS_DEVICE_DISABLED_EXPLANATION);
 }
 
 void DeviceDisabledScreenHandler::Initialize() {
   if (!page_is_ready() || !delegate_)
     return;
 
   if (show_on_init_) {
     Show(message_);
     show_on_init_ = false;
   }
 }
 
 void DeviceDisabledScreenHandler::RegisterMessages() {
 }
 
 }  // namespace chromeos