Remove unused geometry map from RenderLayer::updateLayerPositionsAfterScroll

Source/core/rendering/RenderLayer.h

Index: Source/core/rendering/RenderLayer.h
diff --git a/Source/core/rendering/RenderLayer.h b/Source/core/rendering/RenderLayer.h
index 2f98fd77523e257f15ed8aa7c90a89f90e6357a1..c993fe7e65f7fef8a0633e9dfdb7971eb98a5fc0 100644
--- a/Source/core/rendering/RenderLayer.h
+++ b/Source/core/rendering/RenderLayer.h
@@ -516,7 +516,7 @@ private:
         HasChangedAncestor = 1 << 3
     };
     typedef unsigned UpdateLayerPositionsAfterScrollFlags;
-    void updateLayerPositionsAfterScroll(RenderGeometryMap*, UpdateLayerPositionsAfterScrollFlags = NoFlag);
+    void updateLayerPositionsAfterScroll(UpdateLayerPositionsAfterScrollFlags = NoFlag);
 
     void setNextSibling(RenderLayer* next) { m_next = next; }
     void setPreviousSibling(RenderLayer* prev) { m_previous = prev; }