chromeos: changes how DisplayManagerObservers are notified

services/ui/service.h

 // Copyright 2014 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.
 
 #ifndef SERVICES_UI_SERVICE_H_
 #define SERVICES_UI_SERVICE_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 48 matching lines @@
 class WindowServer;
 }
 
 class Service : public service_manager::Service,
                 public ws::WindowServerDelegate {
  public:
   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;
   struct UserState;
 
   using UserIdToUserState = std::map<ws::UserId, std::unique_ptr<UserState>>;
 
   // Attempts to initialize the resource bundle. Returns true if successful,
   // otherwise false if resources cannot be loaded.
   bool InitializeResources(service_manager::Connector* connector);
@@ skipping 92 matching lines @@
   IMERegistrarImpl ime_registrar_;
   IMEServerImpl ime_server_;
 
   std::unique_ptr<discardable_memory::DiscardableSharedMemoryManager>
       discardable_shared_memory_manager_;
 
   service_manager::BinderRegistry registry_;
 
   // Set to true in StartDisplayInit().
   bool is_gpu_ready_ = false;
-  ScreenManagerConfig screen_manager_config_ = ScreenManagerConfig::UNKNOWN;
 
   DISALLOW_COPY_AND_ASSIGN(Service);
 };
 
 }  // namespace ui
 
 #endif  // SERVICES_UI_SERVICE_H_