Random fixes for mash bridge classes

mash/wm/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 MASH_WM_BRIDGE_WM_ROOT_CONTROLLER_MUS_H_
 #define MASH_WM_BRIDGE_WM_ROOT_CONTROLLER_MUS_H_
 
 #include "ash/wm/common/wm_root_window_controller.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
@@ skipping 23 matching lines @@
   static WmRootWindowControllerMus* Get(mus::Window* window) {
     return const_cast<WmRootWindowControllerMus*>(
         Get(const_cast<const mus::Window*>(window)));
   }
   static const WmRootWindowControllerMus* Get(const mus::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;
   ash::wm::WmGlobals* GetGlobals() override;
   ash::wm::WorkspaceWindowState GetWorkspaceWindowState() override;
   ash::AlwaysOnTopController* GetAlwaysOnTopController() override;
   ash::wm::WmShelf* GetShelf() override;
   ash::wm::WmWindow* GetWindow() override;
   void ConfigureWidgetInitParamsForContainer(
       views::Widget* widget,
       int shell_container_id,
       views::Widget::InitParams* init_params) override;
   ash::wm::WmWindow* FindEventTarget(
       const gfx::Point& location_in_screen) override;
   void AddObserver(ash::wm::WmRootWindowControllerObserver* observer) override;
   void RemoveObserver(
       ash::wm::WmRootWindowControllerObserver* observer) override;
 
  private:
   WmGlobalsMus* globals_;
   RootWindowController* root_window_controller_;
+  base::ObserverList<ash::wm::WmRootWindowControllerObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(WmRootWindowControllerMus);
 };
 
 }  // namespace wm
 }  // namespace mash
 
 #endif  // MASH_WM_BRIDGE_WM_ROOT_CONTROLLER_MUS_H_