Call OnNativeWindowChanged after maximizing and restoring.

ash/root_window_controller.cc

Index: ash/root_window_controller.cc
diff --git a/ash/root_window_controller.cc b/ash/root_window_controller.cc
index 0e07dbe03e94cafc518cad419a90bb223e21f37c..fef40d81da7f8ade05c8b4bfa11c8b3042805d96 100644
--- a/ash/root_window_controller.cc
+++ b/ash/root_window_controller.cc
@@ -224,6 +224,8 @@ class EmptyWindowDelegate : public aura::WindowDelegate {
   virtual void OnBoundsChanged(const gfx::Rect& old_bounds,
                                const gfx::Rect& new_bounds) OVERRIDE {
   }
+  virtual void OnPropertyChanged(const void* key, intptr_t old) OVERRIDE {
+  }
   virtual gfx::NativeCursor GetCursor(const gfx::Point& point) OVERRIDE {
     return gfx::kNullCursor;
   }