Refactor HitTestResult to store the HitTestRequest

Source/core/layout/LayoutBlockFlow.cpp

 /*
  * Copyright (C) 2013 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 2627 matching lines @@
             if (shapeLogicalBottom < floatLogicalBottom)
                 floatLogicalBottom = shapeLogicalBottom;
         }
         if (floatLogicalBottom > logicalHeight)
             logicalBottom = logicalBottom ? std::min(floatLogicalBottom, logicalBottom) : floatLogicalBottom;
     }
 
     return logicalBottom;
 }
 
-bool LayoutBlockFlow::hitTestFloats(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset)
+bool LayoutBlockFlow::hitTestFloats(HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset)
 {
     if (!m_floatingObjects)
         return false;
 
     LayoutPoint adjustedLocation = accumulatedOffset;
     if (isLayoutView()) {
         DoublePoint position = toLayoutView(this)->frameView()->scrollPositionDouble();
         adjustedLocation.move(position.x(), position.y());
     }
 
     const FloatingObjectSet& floatingObjectSet = m_floatingObjects->set();
     FloatingObjectSetIterator begin = floatingObjectSet.begin();
     for (FloatingObjectSetIterator it = floatingObjectSet.end(); it != begin;) {
         --it;
         FloatingObject* floatingObject = it->get();
         if (floatingObject->shouldPaint() && !floatingObject->layoutObject()->hasSelfPaintingLayer()) {
             LayoutUnit xOffset = xPositionForFloatIncludingMargin(floatingObject) - floatingObject->layoutObject()->location().x();
             LayoutUnit yOffset = yPositionForFloatIncludingMargin(floatingObject) - floatingObject->layoutObject()->location().y();
             LayoutPoint childPoint = flipFloatForWritingModeForChild(floatingObject, adjustedLocation + LayoutSize(xOffset, yOffset));
-            if (floatingObject->layoutObject()->hitTest(request, result, locationInContainer, childPoint)) {
+            if (floatingObject->layoutObject()->hitTest(result, locationInContainer, childPoint)) {
                 updateHitTestResult(result, locationInContainer.point() - toLayoutSize(childPoint));
                 return true;
             }
         }
     }
 
     return false;
 }
 
 LayoutUnit LayoutBlockFlow::logicalLeftFloatOffsetForLine(LayoutUnit logicalTop, LayoutUnit fixedOffset, LayoutUnit logicalHeight) const
@@ skipping 476 matching lines @@
     }
     if (isAnonymous())
         return "LayoutBlockFlow (anonymous)";
     if (isRelPositioned())
         return "LayoutBlockFlow (relative positioned)";
     return "LayoutBlockFlow";
 }
 
 
 } // namespace blink