Refactor HitTestResult to store the HitTestRequest

Source/core/layout/svg/LayoutSVGModelObject.cpp

 /*
  * Copyright (c) 2009, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 95 matching lines @@
     if (isBlendingAllowed()) {
         bool hasBlendModeChanged = (oldStyle && oldStyle->hasBlendMode()) == !style()->hasBlendMode();
         if (parent() && hasBlendModeChanged)
             parent()->descendantIsolationRequirementsChanged(style()->hasBlendMode() ? DescendantIsolationRequired : DescendantIsolationNeedsUpdate);
     }
 
     LayoutObject::styleDidChange(diff, oldStyle);
     SVGResourcesCache::clientStyleChanged(this, diff, styleRef());
 }
 
-bool LayoutSVGModelObject::nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation&, const LayoutPoint&, HitTestAction)
+bool LayoutSVGModelObject::nodeAtPoint(HitTestResult&, const HitTestLocation&, const LayoutPoint&, HitTestAction)
 {
     ASSERT_NOT_REACHED();
     return false;
 }
 
 // The SVG addFocusRingRects() method adds rects in local coordinates so the default absoluteFocusRingBoundingBoxRect
 // returns incorrect values for SVG objects. Overriding this method provides access to the absolute bounds.
 IntRect LayoutSVGModelObject::absoluteFocusRingBoundingBoxRect() const
 {
     return localToAbsoluteQuad(FloatQuad(paintInvalidationRectInLocalCoordinates())).enclosingBoundingBox();
 }
 
 void LayoutSVGModelObject::invalidateTreeIfNeeded(PaintInvalidationState& paintInvalidationState)
 {
     ASSERT(!needsLayout());
 
     // If we didn't need paint invalidation then our children don't need as well.
     // Skip walking down the tree as everything should be fine below us.
     if (!shouldCheckForPaintInvalidation(paintInvalidationState))
         return;
 
     invalidatePaintIfNeeded(paintInvalidationState, paintInvalidationState.paintInvalidationContainer());
     clearPaintInvalidationState(paintInvalidationState);
 
     PaintInvalidationState childPaintInvalidationState(paintInvalidationState, *this);
     invalidatePaintOfSubtreesIfNeeded(childPaintInvalidationState);
 }
 
 } // namespace blink