exo: Default pointer surface.

components/exo/pointer.h

Index: components/exo/pointer.h
diff --git a/components/exo/pointer.h b/components/exo/pointer.h
index ac51b3ba8ccb485934ec2dbfd9a4d4cd2c80f5d6..5c1f3eef4e98e243908e9174cc7e5385e0cc18d8 100644
--- a/components/exo/pointer.h
+++ b/components/exo/pointer.h
@@ -23,6 +23,7 @@ class Widget;
 }
 
 namespace exo {
+class Buffer;
 class PointerDelegate;
 class Surface;
 
@@ -78,6 +79,10 @@ class Pointer : public ui::EventHandler,
   // The position of the pointer surface relative to the pointer location.
   gfx::Point hotspot_;
 
+  // The default cursor surface.
+  scoped_ptr<Surface> default_surface_;
+  scoped_ptr<Buffer> default_cursor_;
+
   DISALLOW_COPY_AND_ASSIGN(Pointer);
 };