mus: Introduce high-contrast mode in mus.

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 "services/ui/public/cpp/window_tree_client_observer.h"
 
+namespace shell {
+class Connector;
+}
+
 namespace ui {
 class WindowTreeClient;
 }
 
 namespace ash {
 namespace mus {
 
 class WmRootWindowControllerMus;
 class WmWindowMus;
 
 // WmShell implementation for mus.
 class WmShellMus : public WmShell, public ::ui::WindowTreeClientObserver {
  public:
-  WmShellMus(ShellDelegate* delegate, ::ui::WindowTreeClient* client);
+  WmShellMus(ShellDelegate* delegate,
+             ::ui::WindowTreeClient* client,
+             shell::Connector* connector);
   ~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(::ui::Window* window);
@@ skipping 43 matching lines @@
   static bool IsActivationParent(::ui::Window* window);
 
   void RemoveClientObserver();
 
   // ::ui::WindowTreeClientObserver:
   void OnWindowTreeFocusChanged(::ui::Window* gained_focus,
                                 ::ui::Window* lost_focus) override;
   void OnDidDestroyClient(::ui::WindowTreeClient* client) override;
 
   ::ui::WindowTreeClient* client_;
+  shell::Connector* connector_;
 
   std::vector<WmRootWindowControllerMus*> root_window_controllers_;
 
   std::unique_ptr<SessionStateDelegate> session_state_delegate_;
 
   std::unique_ptr<AccessibilityDelegate> accessibility_delegate_;
 
   base::ObserverList<WmActivationObserver> activation_observers_;
 
   DISALLOW_COPY_AND_ASSIGN(WmShellMus);
 };
 
 }  // namespace mus
 }  // namespace ash
 
 #endif  // ASH_MUS_BRIDGE_WM_SHELL_MUS_H_