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() 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 41 matching lines @@
   friend class TextfieldTest;
 
   // Sets the value of |disable_inactive_rendering_|. If the value changes,
   // both the NonClientView and WidgetDelegate are notified.
   void SetInactiveRenderingDisabled(bool value);
 
   // Persists the window's restored position and "show" state using the
   // window delegate.
   void SaveWindowPlacement();
 
+  // Avoid saving session state during startup procedures.

[sky, 2014/08/12 13:21:28]

This comment is cryptic. Maybe:
// Invokes SaveWindowPlacement() if the native widget has been initialized.
// This is called at times when the native widget may not have been initialized.

And then you can remove the two comments in the code since this comment covers
them.

[jackhou1, 2014/08/13 01:57:51]

Done.

+  void SaveWindowPlacementIfInitialized();
+
   // Sizes and positions the window just after it is created.
   void SetInitialBounds(const gfx::Rect& bounds);
 
   // Sizes and positions the frameless window just after it is created.
   void SetInitialBoundsForFramelessWindow(const gfx::Rect& bounds);
 
   // Returns the bounds and "show" state from the delegate. Returns true if
   // the delegate wants to use a specified bounds.
   bool GetSavedWindowPlacement(gfx::Rect* bounds,
                                ui::WindowShowState* show_state);
@@ skipping 110 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_