Makes visbility inherited. That is, in order for a window to be

ui/aura_shell/examples/window_type_launcher.cc

Index: ui/aura_shell/examples/window_type_launcher.cc
diff --git a/ui/aura_shell/examples/window_type_launcher.cc b/ui/aura_shell/examples/window_type_launcher.cc
index ec22a9f0418dbe52e263b0ad2d5c15ddc0714488..b2a897a38f4cfc23175f2881df306aaf50e0b2f7 100644
--- a/ui/aura_shell/examples/window_type_launcher.cc
+++ b/ui/aura_shell/examples/window_type_launcher.cc
@@ -41,7 +41,7 @@ void CalculateWindowBoundsAndScaleForTiling(
   int shown_window_count = 0;
   for (aura::Window::Windows::const_iterator i = windows.begin();
        i != windows.end(); ++i) {
-    if ((*i)->visible()) {
+    if ((*i)->IsVisible()) {
       total_width += (*i)->bounds().width();
       max_height = std::max((*i)->bounds().height(), max_height);
       shown_window_count++;
@@ -68,7 +68,7 @@ void CalculateWindowBoundsAndScaleForTiling(
   for (aura::Window::Windows::const_iterator i = windows.begin();
        i != windows.end();
        ++i) {
-    if ((*i)->visible()) {
+    if ((*i)->IsVisible()) {
       const gfx::Rect& current_bounds((*i)->bounds());
       int y = (containing_size.height() -
                current_bounds.height() * *y_scale) / 2;