ChromeOS: Restrict material-design OOBE to compatible devices only.

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

 // Copyright (c) 2012 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/oobe_ui.h"
 
 #include <stddef.h>
 
 #include <memory>
 
@@ skipping 475 matching lines @@
     localized_strings->SetString("bootIntoWallpaper", "off");
   }
 
   bool keyboard_driven_oobe =
       system::InputDeviceSettings::Get()->ForceKeyboardDrivenUINavigation();
   localized_strings->SetString("highlightStrength",
                                keyboard_driven_oobe ? "strong" : "normal");
 
   bool new_kiosk_ui = KioskAppMenuHandler::EnableNewKioskUI();
   localized_strings->SetString("newKioskUI", new_kiosk_ui ? "on" : "off");
-  localized_strings->SetString("newOobeUI", UseMDOobe() ? "on" : "off");
+  localized_strings->SetString(
+      "newOobeUI", (md_oobe_enabled_ && UseMDOobe()) ? "on" : "off");
 }
 
 void OobeUI::AddScreenHandler(BaseScreenHandler* handler) {
   web_ui()->AddMessageHandler(handler);
   handlers_.push_back(handler);
 }
 
 void OobeUI::InitializeHandlers() {
   ready_ = true;
   for (size_t i = 0; i < ready_callbacks_.size(); ++i)
@@ skipping 85 matching lines @@
   } else {
     NOTIMPLEMENTED();
   }
 
   current_screen_ = new_screen;
   FOR_EACH_OBSERVER(Observer,
                     observer_list_,
                     OnCurrentScreenChanged(current_screen_, new_screen));
 }
 
+void OobeUI::EnableMdOobe() {
+  md_oobe_enabled_ = true;
+}
+
 }  // namespace chromeos