chromeos: Promotes more from WmShell to Shell

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 <memory>
@@ skipping 21 matching lines @@
 class ImmersiveHandlerFactoryMus;
 class WindowManager;
 class WmShellMusTestApi;
 
 // WmShell implementation for mus.
 class WmShellMus : public WmShell {
  public:
   // If |create_session_state_delegate_stub| is true SessionStateDelegateStub is
   // created. If false, the SessionStateDelegate from Shell is used.
   WmShellMus(WmWindow* primary_root_window,
-             std::unique_ptr<ShellDelegate> shell_delegate,
              WindowManager* window_manager,
              views::PointerWatcherEventRouter* pointer_watcher_event_router,
              bool create_session_state_delegate_stub);
   ~WmShellMus() override;
 
   static WmShellMus* Get();
 
   ash::RootWindowController* GetRootWindowControllerWithDisplayId(int64_t id);
 
   AcceleratorControllerDelegateMus* accelerator_controller_delegate() {
@@ skipping 72 matching lines @@
   std::unique_ptr<ImmersiveHandlerFactoryMus> immersive_handler_factory_;
   std::unique_ptr<SessionStateDelegate> session_state_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(WmShellMus);
 };
 
 }  // namespace mus
 }  // namespace ash
 
 #endif  // ASH_MUS_BRIDGE_WM_SHELL_MUS_H_