Fix NeedsFullRepaintForPositionedMovementLayout

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 35 matching lines @@
 #define RenderLayerRepainter_h
 
 #include "platform/geometry/LayoutRect.h"
 #include "wtf/Noncopyable.h"
 
 namespace WebCore {
 
 enum RepaintStatus {
     NeedsNormalRepaint = 0,
     NeedsFullRepaint = 1 << 0,
-    NeedsFullRepaintForPositionedMovementLayout = 1 << 1
+    NeedsFullRepaintForPositionedMovementLayout = NeedsFullRepaint | 1 << 1
 };
 
 class RenderGeometryMap;
 class RenderLayer;
 class RenderLayerModelObject;
 
 class RenderLayerRepainter {
     WTF_MAKE_NONCOPYABLE(RenderLayerRepainter);
 public:
     RenderLayerRepainter(RenderLayerModelObject*);
@@ skipping 12 matching lines @@
     void computeRepaintRectsIncludingDescendants();
 
     // Indicate that the layer contents need to be repainted. Only has an effect
     // if layer compositing is being used,
     void setBackingNeedsRepaint();
     void setBackingNeedsRepaintInRect(const LayoutRect&); // r is in the coordinate space of the layer's render object
 
     void setFilterBackendNeedsRepaintingInRect(const LayoutRect&);
 
 private:
-    bool shouldRepaintAfterLayout() const;
+    bool shouldRepaintLayer() const;
 
     void clearRepaintRects();
 
     RenderLayer* enclosingFilterRepaintLayer() const;
 
     RenderLayerModelObject* m_renderer;
 
     unsigned m_repaintStatus; // RepaintStatus
 
     LayoutRect m_repaintRect; // Cached repaint rects. Used by layout.
     LayoutRect m_outlineBox;
 };
 
 } // namespace WebCore
 
 #endif // RenderLayerRepainter_h