Moves MruWindowTracker to WmShell

ash/mus/bridge/wm_shell_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_SHELL_MUS_H_
 #define ASH_MUS_BRIDGE_WM_SHELL_MUS_H_
 
 #include <stdint.h>
 
 #include <vector>
 
 #include "ash/common/wm_shell.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "components/mus/public/cpp/window_tree_client_observer.h"
 
 namespace mus {
 class WindowTreeClient;
 }
 
 namespace ash {
+
+class WmShellCommon;
+
 namespace mus {
 
 class WmRootWindowControllerMus;
 class WmWindowMus;
 
 // WmShell implementation for mus.
 class WmShellMus : public WmShell, public ::mus::WindowTreeClientObserver {
  public:
   explicit WmShellMus(::mus::WindowTreeClient* client);
   ~WmShellMus() override;
 
   static WmShellMus* Get();
 
   void AddRootWindowController(WmRootWindowControllerMus* controller);
   void RemoveRootWindowController(WmRootWindowControllerMus* controller);
 
   // Returns the ancestor of |window| (including |window|) that is considered
   // toplevel. |window| may be null.
   static WmWindowMus* GetToplevelAncestor(::mus::Window* window);
 
   WmRootWindowControllerMus* GetRootWindowControllerWithDisplayId(int64_t id);
 
   // WmShell:
+  MruWindowTracker* GetMruWindowTracker() override;
   WmWindow* NewContainerWindow() override;
   WmWindow* GetFocusedWindow() override;
   WmWindow* GetActiveWindow() override;
   WmWindow* GetPrimaryRootWindow() override;
   WmWindow* GetRootWindowForDisplayId(int64_t display_id) override;
   WmWindow* GetRootWindowForNewWindows() override;
-  std::vector<WmWindow*> GetMruWindowList() override;
-  std::vector<WmWindow*> GetMruWindowListIgnoreModals() override;
   bool IsForceMaximizeOnFirstRun() override;
   bool CanShowWindowForUser(WmWindow* window) override;
   void LockCursor() override;
   void UnlockCursor() override;
   std::vector<WmWindow*> GetAllRootWindows() override;
   void RecordUserMetricsAction(wm::WmUserMetricsAction action) override;
   std::unique_ptr<WindowResizer> CreateDragWindowResizer(
       std::unique_ptr<WindowResizer> next_window_resizer,
       wm::WindowState* window_state) override;
   bool IsOverviewModeSelecting() override;
@@ skipping 12 matching lines @@
 
   void RemoveClientObserver();
 
   // ::mus::WindowTreeClientObserver:
   void OnWindowTreeFocusChanged(::mus::Window* gained_focus,
                                 ::mus::Window* lost_focus) override;
   void OnWillDestroyClient(::mus::WindowTreeClient* client) override;
 
   ::mus::WindowTreeClient* client_;
 
+  std::unique_ptr<WmShellCommon> wm_shell_common_;
+
   std::vector<WmRootWindowControllerMus*> root_window_controllers_;
 
   std::unique_ptr<SessionStateDelegate> session_state_delegate_;
 
   base::ObserverList<WmActivationObserver> activation_observers_;
 
   DISALLOW_COPY_AND_ASSIGN(WmShellMus);
 };
 
 }  // namespace mus
 }  // namespace ash
 
 #endif  // ASH_MUS_BRIDGE_WM_SHELL_MUS_H_