chromeos: changes how DisplayManagerObservers are notified

services/ui/service.h

Index: services/ui/service.h
diff --git a/services/ui/service.h b/services/ui/service.h
index 6bf24632ee0c4e96e481610de70ef8c8b77343ec..6dd7d2f33843c89ff173a4d062f688b3e925ff95 100644
--- a/services/ui/service.h
+++ b/services/ui/service.h
@@ -66,20 +66,6 @@ class Service : public service_manager::Service,
   ~Service() override;
 
  private:
-  // How the ScreenManager is configured.
-  enum ScreenManagerConfig {
-    // Initial state.
-    UNKNOWN,
-
-    // ScreenManager runs locally.
-    INTERNAL,
-
-    // Used when the window manager supplies a value of false for
-    // |automatically_create_display_roots|. In this config the ScreenManager
-    // is configured to forward calls.
-    FORWARDING,
-  };
-
   // Holds InterfaceRequests received before the first WindowTreeHost Display
   // has been established.
   struct PendingRequest;
@@ -192,7 +178,6 @@ class Service : public service_manager::Service,
 
   // Set to true in StartDisplayInit().
   bool is_gpu_ready_ = false;
-  ScreenManagerConfig screen_manager_config_ = ScreenManagerConfig::UNKNOWN;
 
   DISALLOW_COPY_AND_ASSIGN(Service);
 };