Promotes remaining global window manager state into WindowManagerState

components/mus/ws/global_window_manager_state.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 COMPONENTS_MUS_WS_GLOBAL_WINDOW_MANAGER_STATE_H_
-#define COMPONENTS_MUS_WS_GLOBAL_WINDOW_MANAGER_STATE_H_
-
-#include <stdint.h>
-
-#include "components/mus/public/interfaces/display.mojom.h"
-
-namespace mus {
-namespace ws {
-
-class WindowTree;
-
-// Manages state specific to a WindowManager that is shared across displays.
-// GlobalWindowManagerState is owned by the WindowTree the window manager is
-// associated with.
-class GlobalWindowManagerState {
- public:
-  explicit GlobalWindowManagerState(WindowTree* window_tree);
-  ~GlobalWindowManagerState();
-
-  void SetFrameDecorationValues(mojom::FrameDecorationValuesPtr values);
-  const mojom::FrameDecorationValues& frame_decoration_values() const {
-    return *frame_decoration_values_;
-  }
-  bool got_frame_decoration_values() const {
-    return got_frame_decoration_values_;
-  }
-
- private:
-  WindowTree* window_tree_;
-
-  // Set to true the first time SetFrameDecorationValues() is called.
-  bool got_frame_decoration_values_ = false;
-  mojom::FrameDecorationValuesPtr frame_decoration_values_;
-
-  DISALLOW_COPY_AND_ASSIGN(GlobalWindowManagerState);
-};
-
-}  // namespace ws
-}  // namespace mus
-
-#endif  // COMPONENTS_MUS_WS_GLOBAL_WINDOW_MANAGER_STATE_H_