Revert of exo: Default pointer surface.

components/exo/pointer.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_EXO_POINTER_H_
 #define COMPONENTS_EXO_POINTER_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "components/exo/surface_delegate.h"
 #include "components/exo/surface_observer.h"
 #include "ui/events/event_handler.h"
 #include "ui/gfx/geometry/point.h"
 
 namespace ui {
 class Event;
 class MouseEvent;
 class MouseWheelEvent;
 }
 
 namespace views {
 class Widget;
 }
 
 namespace exo {
-class Buffer;
 class PointerDelegate;
 class Surface;
 
 // This class implements a client pointer that represents one or more input
 // devices, such as mice, which control the pointer location and pointer focus.
 class Pointer : public ui::EventHandler,
                 public SurfaceDelegate,
                 public SurfaceObserver {
  public:
   explicit Pointer(PointerDelegate* delegate);
@@ skipping 35 matching lines @@
 
   // The current focus surface for the pointer.
   Surface* focus_;
 
   // The location of the pointer in the current focus surface.
   gfx::Point location_;
 
   // 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);
 };
 
 }  // namespace exo
 
 #endif  // COMPONENTS_EXO_POINTER_H_