Makes views be initially hidden

mojo/views/native_widget_view_manager.cc

Index: mojo/views/native_widget_view_manager.cc
diff --git a/mojo/views/native_widget_view_manager.cc b/mojo/views/native_widget_view_manager.cc
index 41d85a70dbdb062ad6d12b05ae9a6fcd57ca35e9..e463fda8d003b28fa4554ed3c1b4f366c82555d9 100644
--- a/mojo/views/native_widget_view_manager.cc
+++ b/mojo/views/native_widget_view_manager.cc
@@ -131,6 +131,14 @@ void NativeWidgetViewManager::InitNativeWidget(
   NativeWidgetAura::InitNativeWidget(params);
 }
 
+void NativeWidgetViewManager::OnWindowVisibilityChanged(aura::Window* window,
+                                                        bool visible) {
+  view_->SetVisible(visible);
+  // NOTE: We could also update aura::Window's visibility when the View's
+  // visibilty changes, but this code isn't going to be around for very long so
+  // I'm not bothering.
+}
+
 void NativeWidgetViewManager::OnViewDestroyed(View* view) {
   DCHECK_EQ(view, view_);
   view->RemoveObserver(this);