aura-mus: Implement Deactivate().

services/ui/ws/window_tree.h

 // Copyright 2014 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 SERVICES_UI_WS_WINDOW_TREE_H_
 #define SERVICES_UI_WS_WINDOW_TREE_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 419 matching lines @@
   void SetPredefinedCursor(uint32_t change_id,
                            Id transport_window_id,
                            ui::mojom::Cursor cursor_id) override;
   void SetWindowTextInputState(Id transport_window_id,
                                mojo::TextInputStatePtr state) override;
   void SetImeVisibility(Id transport_window_id,
                         bool visible,
                         mojo::TextInputStatePtr state) override;
   void OnWindowInputEventAck(uint32_t event_id,
                              mojom::EventResult result) override;
+  void DeactivateWindow(Id current_window_id) override;

[sky, 2017/01/12 00:55:39]

window_id.

[Elliot Glaysher, 2017/01/12 23:20:37]

Done.

   void SetClientArea(Id transport_window_id,
                      const gfx::Insets& insets,
                      const base::Optional<std::vector<gfx::Rect>>&
                          transport_additional_client_areas) override;
   void SetCanAcceptDrops(Id window_id, bool accepts_drops) override;
   void SetHitTestMask(Id transport_window_id,
                       const base::Optional<gfx::Rect>& mask) override;
   void GetWindowManagerClient(
       mojo::AssociatedInterfaceRequest<mojom::WindowManagerClient> internal)
       override;
@@ skipping 126 matching lines @@
       waiting_for_top_level_window_info_;
   bool embedder_intercepts_events_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTree);
 };
 
 }  // namespace ws
 }  // namespace ui
 
 #endif  // SERVICES_UI_WS_WINDOW_TREE_H_