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

ui/aura/desktop.cc

 // Copyright (c) 2011 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.
 
 #include "ui/aura/desktop.h"
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "ui/aura/desktop_host.h"
 #include "ui/aura/focus_manager.h"
@@ skipping 32 matching lines @@
 }
 
 Desktop::~Desktop() {
   in_destructor_ = true;
   if (instance_ == this)
     instance_ = NULL;
 }
 
 void Desktop::Init() {
   window_->Init();
+  window_->Show();
   compositor()->SetRootLayer(window_->layer());
 }
 
 void Desktop::CreateDefaultParentForTesting() {
   Window* default_parent = new internal::ToplevelWindowContainer;
   default_parent->Init();
   default_parent->SetBounds(window_->bounds());
   default_parent->Show();
   window_->AddChild(default_parent);
   set_default_parent(default_parent);
@@ skipping 75 matching lines @@
   return host_->Dispatch(event);
 #else
   return host_->Dispatch(event) != base::MessagePumpDispatcher::EVENT_IGNORED;
 #endif
 }
 
 Window* Desktop::GetTopmostWindowToActivate(Window* ignore) {
   Window::Windows windows(default_parent_->children());
   for (Window::Windows::const_reverse_iterator i = windows.rbegin();
        i != windows.rend(); ++i) {
-    if (*i != ignore && (*i)->visible() &&
+    if (*i != ignore && (*i)->IsVisible() &&
         (*i)->delegate()->ShouldActivate(NULL))
       return *i;
   }
   return NULL;
 }
 
 // static
 Desktop* Desktop::GetInstance() {
   if (!instance_) {
     instance_ = new Desktop;
     instance_->Init();
   }
   return instance_;
 }
 
 }  // namespace aura