Call OnNativeWindowChanged after maximizing and restoring.

ui/views/widget/widget.h

 // Copyright (c) 2012 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_WIDGET_H_
 #define UI_VIEWS_WIDGET_WIDGET_H_
 
 #include <set>
 #include <stack>
 #include <vector>
@@ skipping 738 matching lines @@
   virtual void OnNativeBlur(gfx::NativeView new_focused_view) OVERRIDE;
   virtual void OnNativeWidgetVisibilityChanging(bool visible) OVERRIDE;
   virtual void OnNativeWidgetVisibilityChanged(bool visible) OVERRIDE;
   virtual void OnNativeWidgetCreated(bool desktop_widget) OVERRIDE;
   virtual void OnNativeWidgetDestroying() OVERRIDE;
   virtual void OnNativeWidgetDestroyed() OVERRIDE;
   virtual gfx::Size GetMinimumSize() const OVERRIDE;
   virtual gfx::Size GetMaximumSize() const OVERRIDE;
   virtual void OnNativeWidgetMove() OVERRIDE;
   virtual void OnNativeWidgetSizeChanged(const gfx::Size& new_size) OVERRIDE;
+  virtual void OnNativeWidgetWindowShowStateChanged(
+      ui::WindowShowState old) OVERRIDE;
   virtual void OnNativeWidgetBeginUserBoundsChange() OVERRIDE;
   virtual void OnNativeWidgetEndUserBoundsChange() OVERRIDE;
   virtual bool HasFocusManager() const OVERRIDE;
   virtual bool OnNativeWidgetPaintAccelerated(
       const gfx::Rect& dirty_region) OVERRIDE;
   virtual void OnNativeWidgetPaint(gfx::Canvas* canvas) OVERRIDE;
   virtual int GetNonClientComponent(const gfx::Point& point) OVERRIDE;
   virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE;
   virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
   virtual void OnMouseCaptureLost() OVERRIDE;
@@ skipping 171 matching lines @@
   bool movement_disabled_;
 
   ScopedObserver<ui::NativeTheme, ui::NativeThemeObserver> observer_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(Widget);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_WIDGET_H_