Changes ownership of ScreenDimmer

chrome/browser/chromeos/dbus/chrome_display_power_service_provider_delegate.h

Index: chrome/browser/chromeos/dbus/chrome_display_power_service_provider_delegate.h
diff --git a/chrome/browser/chromeos/dbus/chrome_display_power_service_provider_delegate.h b/chrome/browser/chromeos/dbus/chrome_display_power_service_provider_delegate.h
index 1690931efa0adb3fa19694b6f09359cf00349d06..5b85f214a917c08fd517fb4aac2d3baeebe48fb1 100644
--- a/chrome/browser/chromeos/dbus/chrome_display_power_service_provider_delegate.h
+++ b/chrome/browser/chromeos/dbus/chrome_display_power_service_provider_delegate.h
@@ -5,9 +5,15 @@
 #ifndef CHROME_BROWSER_CHROMEOS_DBUS_CHROME_DISPLAY_POWER_SERVICE_PROVIDER_DELEGATE_H_
 #define CHROME_BROWSER_CHROMEOS_DBUS_CHROME_DISPLAY_POWER_SERVICE_PROVIDER_DELEGATE_H_
 
+#include <memory>
+
 #include "base/macros.h"
 #include "chromeos/dbus/services/display_power_service_provider.h"
 
+namespace ash {
+class ScreenDimmer;
+}
+
 namespace chromeos {
 
 // Chrome's implementation of DisplayPowerServiceProvider::Delegate
@@ -23,6 +29,8 @@ class ChromeDisplayPowerServiceProviderDelegate
   void SetDimming(bool dimmed) override;
 
  private:
+  std::unique_ptr<ash::ScreenDimmer> screen_dimmer_;
+
   DISALLOW_COPY_AND_ASSIGN(ChromeDisplayPowerServiceProviderDelegate);
 };