gfx::Compositor: SchedulePaint.

aura/desktop.h

Index: aura/desktop.h
diff --git a/aura/desktop.h b/aura/desktop.h
index 3d292aff62894b98a1bc98a14d71a60bdfc66220..44408429041a372fd171283df2863dd71f06a62f 100644
--- a/aura/desktop.h
+++ b/aura/desktop.h
@@ -10,23 +10,21 @@
 #include "aura/aura_export.h"
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
+#include "base/task.h"
+#include "ui/gfx/compositor/compositor.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace gfx {
 class Size;
 }
 
-namespace ui {
-class Compositor;
-}
-
 namespace aura {
 
 class DesktopHost;
 class MouseEvent;
 
 // Desktop is responsible for hosting a set of windows.
-class AURA_EXPORT Desktop {
+class AURA_EXPORT Desktop : public ui::CompositorDelegate {
  public:
   Desktop();
   ~Desktop();
@@ -57,6 +55,9 @@ class AURA_EXPORT Desktop {
   static Desktop* GetInstance();
 
  private:
+  // Overridden from ui::CompositorDelegate
+  virtual void ScheduleCompositorPaint();
+
   scoped_refptr<ui::Compositor> compositor_;
 
   scoped_ptr<internal::RootWindow> window_;
@@ -65,6 +66,9 @@ class AURA_EXPORT Desktop {
 
   static Desktop* instance_;
 
+  // Used to schedule painting.
+  ScopedRunnableMethodFactory<Desktop> schedule_paint_;
+
   DISALLOW_COPY_AND_ASSIGN(Desktop);
 };