Changes ownership of ScreenDimmer

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

Index: chrome/browser/ui/webui/chromeos/login/oobe_ui.h
diff --git a/chrome/browser/ui/webui/chromeos/login/oobe_ui.h b/chrome/browser/ui/webui/chromeos/login/oobe_ui.h
index fd9a28f208520d0dcb7450e73af150c3f87f8ce7..f6f91567370c9f84898814e12a8f9a76a7cb9ba5 100644
--- a/chrome/browser/ui/webui/chromeos/login/oobe_ui.h
+++ b/chrome/browser/ui/webui/chromeos/login/oobe_ui.h
@@ -19,6 +19,10 @@
 #include "chrome/browser/ui/webui/chromeos/login/oobe_screen.h"
 #include "content/public/browser/web_ui_controller.h"
 
+namespace ash {
+class ScreenDimmer;
+}
+
 namespace base {
 class DictionaryValue;
 }  // namespace base
@@ -238,6 +242,8 @@ class OobeUI : public content::WebUIController,
   // Observer of CrosSettings watching the kRebootOnShutdown policy.
   std::unique_ptr<ShutdownPolicyHandler> shutdown_policy_handler_;
 
+  std::unique_ptr<ash::ScreenDimmer> screen_dimmer_;
+
   DISALLOW_COPY_AND_ASSIGN(OobeUI);
 };