Call OnNativeWindowChanged after maximizing and restoring.

ui/views/widget/widget.h

Index: ui/views/widget/widget.h
diff --git a/ui/views/widget/widget.h b/ui/views/widget/widget.h
index d4770b5fb3874f3b2c96d7687c4555c81e00938e..fad55064589842a6412c84eeaedc38684f20d8de 100644
--- a/ui/views/widget/widget.h
+++ b/ui/views/widget/widget.h
@@ -756,6 +756,7 @@ class VIEWS_EXPORT Widget : public internal::NativeWidgetDelegate,
   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;
@@ -817,6 +818,11 @@ class VIEWS_EXPORT Widget : public internal::NativeWidgetDelegate,
   // window delegate.
   void SaveWindowPlacement();
 
+  // Invokes SaveWindowPlacement() if the native widget has been initialized.
+  // This is called at times when the native widget may not have been
+  // initialized.
+  void SaveWindowPlacementIfInitialized();
+
   // Sizes and positions the window just after it is created.
   void SetInitialBounds(const gfx::Rect& bounds);