Refactor HitTestResult to store the HitTestRequest

Source/core/layout/svg/LayoutSVGText.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010-2012. 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 46 matching lines @@
     void subtreeTextDidChange(LayoutSVGInlineText*);
 
     virtual const AffineTransform& localToParentTransform() const override { return m_localTransform; }
 
     virtual const char* name() const override { return "LayoutSVGText"; }
 
 private:
     virtual bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectSVGText || LayoutSVGBlock::isOfType(type); }
 
     virtual void paint(const PaintInfo&, const LayoutPoint&) override;
-    virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction) override;
+    virtual bool nodeAtFloatPoint(HitTestResult&, const FloatPoint& pointInParent, HitTestAction) override;
     virtual PositionWithAffinity positionForPoint(const LayoutPoint&) override;
 
     virtual void layout() override;
 
     virtual void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const override;
 
     virtual void addChild(LayoutObject* child, LayoutObject* beforeChild = 0) override;
     virtual void removeChild(LayoutObject*) override;
     virtual void willBeDestroyed() override;
 
@@ skipping 10 matching lines @@
     bool m_needsTextMetricsUpdate : 1;
     SVGTextLayoutAttributesBuilder m_layoutAttributesBuilder;
     Vector<SVGTextLayoutAttributes*> m_layoutAttributes;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGText, isSVGText());
 
 }
 
 #endif