Add device disabling to OOBE flow

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

Index: chrome/browser/ui/webui/chromeos/login/device_disabled_screen_handler.h
diff --git a/chrome/browser/ui/webui/chromeos/login/device_disabled_screen_handler.h b/chrome/browser/ui/webui/chromeos/login/device_disabled_screen_handler.h
index 6696ed6f118e952f6a1791ecf33a5009f3d795de..f794b3ce47a0b92e1e69894605755f9be85de617 100644
--- a/chrome/browser/ui/webui/chromeos/login/device_disabled_screen_handler.h
+++ b/chrome/browser/ui/webui/chromeos/login/device_disabled_screen_handler.h
@@ -5,6 +5,8 @@
 #ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_DEVICE_DISABLED_SCREEN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_DEVICE_DISABLED_SCREEN_HANDLER_H_
 
+#include <string>
+
 #include "base/macros.h"
 #include "chrome/browser/chromeos/login/screens/device_disabled_screen_actor.h"
 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
@@ -19,7 +21,7 @@ class DeviceDisabledScreenHandler : public DeviceDisabledScreenActor,
   ~DeviceDisabledScreenHandler() override;
 
   // DeviceDisabledScreenActor:
-  void Show() override;
+  void Show(const std::string& message) override;
   void Hide() override;
   void SetDelegate(Delegate* delegate) override;
 
@@ -36,6 +38,9 @@ class DeviceDisabledScreenHandler : public DeviceDisabledScreenActor,
   // Indicates whether the screen should be shown right after initialization.
   bool show_on_init_;
 
+  // The message to show to the user.
+  std::string message_;
+
   DISALLOW_COPY_AND_ASSIGN(DeviceDisabledScreenHandler);
 };