WIP: Surface Synchronization System

services/ui/ws/window_manager_display_root.h

 // Copyright 2016 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_WS_WINDOW_MANAGER_DISPLAY_ROOT_H_
 #define SERVICES_UI_WS_WINDOW_MANAGER_DISPLAY_ROOT_H_
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/macros.h"
+#include "cc/surfaces/surface_id_allocator.h"
 
 namespace ui {
 namespace ws {
 
 class Display;
 class ServerWindow;
 class WindowManagerState;
 class WindowServer;
 
 // Owns the root window of a window manager for one display. Each window manager
@@ skipping 19 matching lines @@
   friend class Display;
   friend class WindowManagerState;
 
   WindowServer* window_server();
 
   Display* display_;
   // Root ServerWindow of this WindowManagerDisplayRoot. |root_| has a parent,
   // the root ServerWindow of the Display.
   std::unique_ptr<ServerWindow> root_;
   WindowManagerState* window_manager_state_ = nullptr;
+  cc::SurfaceIdAllocator allocator_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowManagerDisplayRoot);
 };
 
 }  // namespace ws
 }  // namespace ui
 
 #endif  // SERVICES_UI_WS_WINDOW_MANAGER_DISPLAY_ROOT_H_