aura: Remove layerless windows.

ash/wm/drag_window_resizer_unittest.cc

Index: ash/wm/drag_window_resizer_unittest.cc
diff --git a/ash/wm/drag_window_resizer_unittest.cc b/ash/wm/drag_window_resizer_unittest.cc
index cfe72adb58b6a66db4772fee7a824b040ad75fc4..742925444e4a4fcb7372acbdf9ef94deaf810858 100644
--- a/ash/wm/drag_window_resizer_unittest.cc
+++ b/ash/wm/drag_window_resizer_unittest.cc
@@ -49,14 +49,14 @@ class DragWindowResizerTest : public test::AshTestBase {
     Shell::GetInstance()->SetDisplayWorkAreaInsets(root, gfx::Insets());
     window_.reset(new aura::Window(&delegate_));
     window_->SetType(ui::wm::WINDOW_TYPE_NORMAL);
-    window_->Init(aura::WINDOW_LAYER_NOT_DRAWN);
+    window_->Init(ui::LAYER_NOT_DRAWN);
     ParentWindowInPrimaryRootWindow(window_.get());
     window_->set_id(1);
 
     always_on_top_window_.reset(new aura::Window(&delegate2_));
     always_on_top_window_->SetType(ui::wm::WINDOW_TYPE_NORMAL);
     always_on_top_window_->SetProperty(aura::client::kAlwaysOnTopKey, true);
-    always_on_top_window_->Init(aura::WINDOW_LAYER_NOT_DRAWN);
+    always_on_top_window_->Init(ui::LAYER_NOT_DRAWN);
     ParentWindowInPrimaryRootWindow(always_on_top_window_.get());
     always_on_top_window_->set_id(2);
 
@@ -64,26 +64,26 @@ class DragWindowResizerTest : public test::AshTestBase {
     system_modal_window_->SetType(ui::wm::WINDOW_TYPE_NORMAL);
     system_modal_window_->SetProperty(aura::client::kModalKey,
                                       ui::MODAL_TYPE_SYSTEM);
-    system_modal_window_->Init(aura::WINDOW_LAYER_NOT_DRAWN);
+    system_modal_window_->Init(ui::LAYER_NOT_DRAWN);
     ParentWindowInPrimaryRootWindow(system_modal_window_.get());
     system_modal_window_->set_id(3);
 
     transient_child_ = new aura::Window(&delegate4_);
     transient_child_->SetType(ui::wm::WINDOW_TYPE_NORMAL);
-    transient_child_->Init(aura::WINDOW_LAYER_NOT_DRAWN);
+    transient_child_->Init(ui::LAYER_NOT_DRAWN);
     ParentWindowInPrimaryRootWindow(transient_child_);
     transient_child_->set_id(4);
 
     transient_parent_.reset(new aura::Window(&delegate5_));
     transient_parent_->SetType(ui::wm::WINDOW_TYPE_NORMAL);
-    transient_parent_->Init(aura::WINDOW_LAYER_NOT_DRAWN);
+    transient_parent_->Init(ui::LAYER_NOT_DRAWN);
     ParentWindowInPrimaryRootWindow(transient_parent_.get());
     ::wm::AddTransientChild(transient_parent_.get(), transient_child_);
     transient_parent_->set_id(5);
 
     panel_window_.reset(new aura::Window(&delegate6_));
     panel_window_->SetType(ui::wm::WINDOW_TYPE_PANEL);
-    panel_window_->Init(aura::WINDOW_LAYER_NOT_DRAWN);
+    panel_window_->Init(ui::LAYER_NOT_DRAWN);
     ParentWindowInPrimaryRootWindow(panel_window_.get());
   }
 
@@ -283,7 +283,7 @@ TEST_F(DragWindowResizerTest, WindowDragWithMultiDisplaysActiveRoot) {
   aura::test::TestWindowDelegate delegate;
   scoped_ptr<aura::Window> window(new aura::Window(&delegate));
   window->SetType(ui::wm::WINDOW_TYPE_NORMAL);
-  window->Init(aura::WINDOW_LAYER_TEXTURED);
+  window->Init(ui::LAYER_TEXTURED);
   ParentWindowInPrimaryRootWindow(window.get());
   window->SetBoundsInScreen(gfx::Rect(0, 0, 50, 60),
                             Shell::GetScreen()->GetPrimaryDisplay());