mash: Remove WorkspaceLayoutManagerDelegate.

ash/mus/bridge/wm_root_window_controller_mus.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 ASH_MUS_BRIDGE_WM_ROOT_WINDOW_CONTROLLER_MUS_H_
 #define ASH_MUS_BRIDGE_WM_ROOT_WINDOW_CONTROLLER_MUS_H_
 
 #include "ash/common/wm_root_window_controller.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
@@ skipping 23 matching lines @@
   static WmRootWindowControllerMus* Get(ui::Window* window) {
     return const_cast<WmRootWindowControllerMus*>(
         Get(const_cast<const ui::Window*>(window)));
   }
   static const WmRootWindowControllerMus* Get(const ui::Window* window);
 
   RootWindowController* root_window_controller() {
     return root_window_controller_;
   }
 
-  void NotifyFullscreenStateChange(bool is_fullscreen);
-
   // Screen conversion functions.
   gfx::Point ConvertPointToScreen(const WmWindowMus* source,
                                   const gfx::Point& point) const;
   gfx::Point ConvertPointFromScreen(const WmWindowMus* target,
                                     const gfx::Point& point) const;
 
   const display::Display& GetDisplay() const;
 
   // WmRootWindowController:
   bool HasShelf() override;
@@ skipping 19 matching lines @@
   RootWindowController* root_window_controller_;
   base::ObserverList<WmRootWindowControllerObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(WmRootWindowControllerMus);
 };
 
 }  // namespace mus
 }  // namespace ash
 
 #endif  // ASH_MUS_BRIDGE_WM_ROOT_WINDOW_CONTROLLER_MUS_H_