aura-mus: Implement Deactivate().

ui/views/mus/desktop_window_tree_host_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 UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_MUS_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_MUS_H_
 
 #include <memory>
 #include <set>
 
 #include "base/macros.h"
 #include "ui/aura/env_observer.h"
 #include "ui/aura/mus/window_tree_host_mus.h"
 #include "ui/views/mus/mus_client_observer.h"
 #include "ui/views/mus/mus_export.h"
 #include "ui/views/widget/desktop_aura/desktop_window_tree_host.h"
 #include "ui/views/widget/widget.h"
+#include "ui/views/widget/widget_observer.h"
 
 namespace wm {
 class CursorManager;
 }
 
 namespace views {
 
 class VIEWS_MUS_EXPORT DesktopWindowTreeHostMus
     : public DesktopWindowTreeHost,
       public MusClientObserver,
+      public WidgetObserver,
       public aura::WindowTreeHostMus,
       public aura::EnvObserver {
  public:
   DesktopWindowTreeHostMus(
       internal::NativeWidgetDelegate* native_widget_delegate,
       DesktopNativeWidgetAura* desktop_native_widget_aura,
       const std::map<std::string, std::vector<uint8_t>>* mus_properties);
   ~DesktopWindowTreeHostMus() override;
 
   // Called when the window was deleted on the server.
@@ skipping 15 matching lines @@
 
   void SetBoundsInDIP(const gfx::Rect& bounds_in_dip);
 
   // Returns true if the client area should be set on this.
   bool ShouldSendClientAreaToServer() const;
 
   // DesktopWindowTreeHost:
   void Init(aura::Window* content_window,
             const Widget::InitParams& params) override;
   void OnNativeWidgetCreated(const Widget::InitParams& params) override;
+  void OnNativeWidgetActivationChanged(bool active) override;
   void OnWidgetInitDone() override;
   std::unique_ptr<corewm::Tooltip> CreateTooltip() override;
   std::unique_ptr<aura::client::DragDropClient> CreateDragDropClient(
       DesktopNativeCursorManager* cursor_manager) override;
   void Close() override;
   void CloseNow() override;
   aura::WindowTreeHost* AsWindowTreeHost() override;
   void ShowWindowWithState(ui::WindowShowState state) override;
   void ShowMaximizedWithBounds(const gfx::Rect& restored_bounds) override;
   bool IsVisible() const override;
@@ skipping 43 matching lines @@
   void FlashFrame(bool flash_frame) override;
   bool IsAnimatingClosed() const override;
   bool IsTranslucentWindowOpacitySupported() const override;
   void SizeConstraintsChanged() override;
   bool ShouldUpdateWindowTransparency() const override;
   bool ShouldUseDesktopNativeCursorManager() const override;
 
   // MusClientObserver:
   void OnWindowManagerFrameValuesChanged() override;
 
+  // WidgetObserver:
+  void OnWidgetActivationChanged(Widget* widget, bool active) override;
+
   // WindowTreeHostMus:
   void ShowImpl() override;
   void HideImpl() override;
   void SetBoundsInPixels(const gfx::Rect& bounds_in_pixels) override;
 
   // aura::EnvObserver:
   void OnWindowInitialized(aura::Window* window) override;
   void OnActiveFocusClientChanged(aura::client::FocusClient* focus_client,
                                   aura::Window* window) override;
 
@@ skipping 18 matching lines @@
 
   // Used so that Close() isn't immediate.
   base::WeakPtrFactory<DesktopWindowTreeHostMus> close_widget_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopWindowTreeHostMus);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_MUS_H_