Makes windowmanager draw non-client area

components/mus/example/wm/window_manager_application.h

Index: components/mus/example/wm/window_manager_application.h
diff --git a/components/mus/example/wm/window_manager_application.h b/components/mus/example/wm/window_manager_application.h
index 65be45952aebcf67ae62f12834594650ace6dcd8..635e10046d11df6e573be652e98c68d8ca035970 100644
--- a/components/mus/example/wm/window_manager_application.h
+++ b/components/mus/example/wm/window_manager_application.h
@@ -21,9 +21,18 @@
 class BackgroundLayout;
 class ShelfLayout;
 class WindowLayout;
-
 class WindowManagerImpl;
 
+namespace ui {
+namespace mojo {
+class UIInit;
+}
+}
+
+namespace views {
+class AuraInit;
+}
+
 class WindowManagerApplication
     : public mojo::ApplicationDelegate,
       public mus::WindowObserver,
@@ -41,6 +50,8 @@ class WindowManagerApplication
   mus::Window* GetWindowForContainer(ash::mojom::Container container);
   mus::Window* GetWindowById(mus::Id id);
 
+  mojo::ApplicationImpl* app() { return app_; }
+
  private:
   // ApplicationDelegate:
   void Initialize(mojo::ApplicationImpl* app) override;
@@ -66,8 +77,13 @@ class WindowManagerApplication
   mus::Window* root_;
   int window_count_;
 
+  mojo::ApplicationImpl* app_;
+
   mus::mojom::WindowTreeHostPtr host_;
 
+  scoped_ptr<ui::mojo::UIInit> ui_init_;
+  scoped_ptr<views::AuraInit> aura_init_;
+
   // |window_manager_| is created once OnEmbed() is called. Until that time
   // |requests_| stores any pending WindowManager interface requests.
   scoped_ptr<WindowManagerImpl> window_manager_;