Refactor HitTestResult to store the HitTestRequest

Source/core/layout/svg/LayoutSVGForeignObject.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2009 Google, Inc.
  * Copyright (C) Research In Motion Limited 2010. 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 104 matching lines @@
 
     // If our bounds changed, notify the parents.
     if (updateCachedBoundariesInParents)
         LayoutSVGBlock::setNeedsBoundariesUpdate();
 
     // Invalidate all resources of this client if our layout changed.
     if (layoutChanged)
         SVGResourcesCache::clientLayoutChanged(this);
 }
 
-bool LayoutSVGForeignObject::nodeAtFloatPoint(const HitTestRequest& request, HitTestResult& result, const FloatPoint& pointInParent, HitTestAction hitTestAction)
+bool LayoutSVGForeignObject::nodeAtFloatPoint(HitTestResult& result, const FloatPoint& pointInParent, HitTestAction hitTestAction)
 {
     // Embedded content is drawn in the foreground phase.
     if (hitTestAction != HitTestForeground)
         return false;
 
     AffineTransform localTransform = this->localTransform();
     if (!localTransform.isInvertible())
         return false;
 
     FloatPoint localPoint = localTransform.inverse().mapPoint(pointInParent);
 
     // Early exit if local point is not contained in clipped viewport area
     if (SVGLayoutSupport::isOverflowHidden(this) && !m_viewport.contains(localPoint))
         return false;
 
     // FOs establish a stacking context, so we need to hit-test all layers.
     HitTestLocation hitTestLocation(roundedLayoutPoint(localPoint));
-    return LayoutBlock::nodeAtPoint(request, result, hitTestLocation, LayoutPoint(), HitTestForeground)
-        || LayoutBlock::nodeAtPoint(request, result, hitTestLocation, LayoutPoint(), HitTestFloat)
-        || LayoutBlock::nodeAtPoint(request, result, hitTestLocation, LayoutPoint(), HitTestChildBlockBackgrounds);
+    return LayoutBlock::nodeAtPoint(result, hitTestLocation, LayoutPoint(), HitTestForeground)
+        || LayoutBlock::nodeAtPoint(result, hitTestLocation, LayoutPoint(), HitTestFloat)
+        || LayoutBlock::nodeAtPoint(result, hitTestLocation, LayoutPoint(), HitTestChildBlockBackgrounds);
 }
 
 }