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

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

Index: chrome/browser/ui/webui/chromeos/login/oobe_ui.cc
diff --git a/chrome/browser/ui/webui/chromeos/login/oobe_ui.cc b/chrome/browser/ui/webui/chromeos/login/oobe_ui.cc
index 0ab0ecb1ba8cea10b3d2067832e113f6701e49e2..7a6fb2b54989c1f5a542bebb4617db9c6150ed6c 100644
--- a/chrome/browser/ui/webui/chromeos/login/oobe_ui.cc
+++ b/chrome/browser/ui/webui/chromeos/login/oobe_ui.cc
@@ -493,7 +493,8 @@ void OobeUI::GetLocalizedStrings(base::DictionaryValue* localized_strings) {
 
   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) {
@@ -599,4 +600,8 @@ void OobeUI::OnCurrentScreenChanged(const std::string& screen) {
                     OnCurrentScreenChanged(current_screen_, new_screen));
 }
 
+void OobeUI::EnableMdOobe() {
+  md_oobe_enabled_ = true;
+}
+
 }  // namespace chromeos