Delete RenderLayer::updateLayerPositionsAfterDocumentScroll

Source/core/rendering/RenderLayer.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 145 matching lines @@
     enum UpdateLayerPositionsFlag {
         CheckForPaintInvalidation = 1 << 0,
         NeedsFullPaintInvalidationInBacking = 1 << 1,
         UpdatePagination = 1 << 2,
         ForceMayNeedPaintInvalidation = 1 << 3,
     };
     typedef unsigned UpdateLayerPositionsFlags;
 
     void updateLayerPositionsAfterLayout(const RenderLayer* rootLayer, UpdateLayerPositionsFlags);
     void updateLayerPositionsAfterOverflowScroll();
-    void updateLayerPositionsAfterDocumentScroll();
 
     // FIXME: Should updateLayerPositions be private?
     void updateLayerPositionRecursive(UpdateLayerPositionsFlags = CheckForPaintInvalidation);
 
     bool isPaginated() const { return m_isPaginated; }
     RenderLayer* enclosingPaginationLayer() const { return m_enclosingPaginationLayer; }
 
     void updateTransformationMatrix();
     RenderLayer* renderingContextRoot();
 
@@ skipping 330 matching lines @@
 
     void setAncestorChainHasSelfPaintingLayerDescendant();
     void dirtyAncestorChainHasSelfPaintingLayerDescendantStatus();
 
     void clipToRect(const LayerPaintingInfo&, GraphicsContext*, const ClipRect&, PaintLayerFlags, BorderRadiusClippingRule = IncludeSelfForBorderRadius);
     void restoreClip(GraphicsContext*, const LayoutRect& paintDirtyRect, const ClipRect&);
 
     // Returns true if the position changed.
     bool updateLayerPosition();
 
-    enum UpdateLayerPositionsAfterScrollFlag {
-        NoFlag = 0,
-        IsOverflowScroll = 1 << 0,
-        HasSeenViewportConstrainedAncestor = 1 << 1,
-        HasSeenAncestorWithOverflowClip = 1 << 2,
-        HasChangedAncestor = 1 << 3
-    };
-    typedef unsigned UpdateLayerPositionsAfterScrollFlags;
-    void updateLayerPositionsAfterScroll(UpdateLayerPositionsAfterScrollFlags = NoFlag);
+    void updateLayerPositionsAfterScrollRecursive();
 
     void setNextSibling(RenderLayer* next) { m_next = next; }
     void setPreviousSibling(RenderLayer* prev) { m_previous = prev; }
     void setFirstChild(RenderLayer* first) { m_first = first; }
     void setLastChild(RenderLayer* last) { m_last = last; }
 
     LayoutPoint renderBoxLocation() const { return renderer()->isBox() ? toRenderBox(renderer())->location() : LayoutPoint(); }
 
     void paintLayerContentsAndReflection(GraphicsContext*, const LayerPaintingInfo&, PaintLayerFlags);
     void paintLayerByApplyingTransform(GraphicsContext*, const LayerPaintingInfo&, PaintLayerFlags, const LayoutPoint& translationOffset = LayoutPoint());
@@ skipping 190 matching lines @@
 
 } // namespace WebCore
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showLayerTree(const WebCore::RenderLayer*);
 void showLayerTree(const WebCore::RenderObject*);
 #endif
 
 #endif // RenderLayer_h