Create a new views_aura_desktop.

aura/desktop.h

Index: aura/desktop.h
===================================================================
--- aura/desktop.h	(revision 98234)
+++ aura/desktop.h	(working copy)
@@ -21,15 +21,19 @@
 
 namespace aura {
 
+class DesktopHost;
 class MouseEvent;
 class Window;
 
 // Desktop is responsible for hosting a set of windows.
 class Desktop {
  public:
-  Desktop(gfx::AcceleratedWidget widget, const gfx::Size& size);
+  Desktop();
   ~Desktop();
 
+  // Shows the desktop host and runs an event loop for it.
+  void Run();
+
   // Draws the necessary set of windows.
   void Draw();
 
@@ -41,11 +45,17 @@
 
   Window* window() { return window_.get(); }
 
+  static Desktop* GetInstance();
+
  private:
   scoped_refptr<ui::Compositor> compositor_;
 
   scoped_ptr<Window> window_;
 
+  DesktopHost* host_;
+
+  static Desktop* instance_;
+
   DISALLOW_COPY_AND_ASSIGN(Desktop);
 };