Remove HitTestAction.

sky/engine/core/rendering/RenderBox.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2006, 2007 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 254 matching lines @@
         const RenderStyle* styleToUse = overrideStyle ? overrideStyle : style();
         m_marginBox.setEnd(styleToUse->direction(), value);
     }
 
     virtual void absoluteQuads(Vector<FloatQuad>&) const override;
 
     void paintLayer(GraphicsContext* context, RenderLayer* rootLayer, const IntRect& rect);
 
     virtual void layout() override;
     virtual void paint(PaintInfo&, const LayoutPoint&, Vector<RenderBox*>& layers) override;
-    virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override;
+    virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset) override;
 
     virtual LayoutUnit minPreferredLogicalWidth() const override;
     virtual LayoutUnit maxPreferredLogicalWidth() const override;
 
     // FIXME: We should rename these back to overrideLogicalHeight/Width and have them store
     // the border-box height/width like the regular height/width accessors on RenderBox.
     // Right now, these are different than contentHeight/contentWidth because they still
     // include the scrollbar height/width.
     LayoutUnit overrideLogicalContentWidth() const;
     LayoutUnit overrideLogicalContentHeight() const;
@@ skipping 285 matching lines @@
         if (UNLIKELY(inlineBoxWrapper() != 0))
             deleteLineBoxWrapper();
     }
 
     ensureRareData().m_inlineBoxWrapper = boxWrapper;
 }
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_RENDERING_RENDERBOX_H_