Reduce forward declarations in core/rendering

Source/core/rendering/RenderLayerRepainter.h

 /*
  * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
@@ skipping 38 matching lines @@
 #include "wtf/Noncopyable.h"
 
 namespace WebCore {
 
 enum RepaintStatus {
     NeedsNormalRepaint = 0,
     NeedsFullRepaint = 1 << 0,
     NeedsFullRepaintForPositionedMovementLayout = NeedsFullRepaint | 1 << 1
 };
 
-class RenderGeometryMap;
 class RenderLayer;
 class RenderLayerModelObject;
 
 class RenderLayerRepainter {
     WTF_MAKE_NONCOPYABLE(RenderLayerRepainter);
 public:
     RenderLayerRepainter(RenderLayerModelObject&);
 
     // Return a cached repaint rect, computed relative to the layer renderer's containerForPaintInvalidation.
     LayoutRect repaintRect() const { return m_repaintRect; }
@@ skipping 26 matching lines @@
 
     unsigned m_repaintStatus; // RepaintStatus
 
     LayoutRect m_repaintRect; // Cached repaint rects. Used by layout.
     LayoutPoint m_offset;
 };
 
 } // namespace WebCore
 
 #endif // RenderLayerRepainter_h