Refactor HitTestResult to store the HitTestRequest

Source/core/dom/TreeScope.cpp

 /*
  * Copyright (C) 2011 Google Inc. All Rights Reserved.
  * Copyright (C) 2012 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 251 matching lines @@
     return true;
 }
 
 HitTestResult hitTestInDocument(const Document* document, int x, int y)
 {
     IntPoint hitPoint(x, y);
     if (!pointWithScrollAndZoomIfPossible(*document, hitPoint))
         return HitTestResult();
 
     HitTestRequest request(HitTestRequest::ReadOnly | HitTestRequest::Active);
-    HitTestResult result(hitPoint);
-    document->layoutView()->hitTest(request, result);
+    HitTestResult result(request, hitPoint);
+    document->layoutView()->hitTest(result);
     return result;
 }
 
 Element* TreeScope::elementFromPoint(int x, int y) const
 {
     HitTestResult result = hitTestInDocument(&rootNode().document(), x, y);
     Node* node = result.innerNode();
     if (!node || node->isDocumentNode())
         return 0;
     if (node->isPseudoElement() || node->isTextNode())
         node = node->parentOrShadowHostNode();
     ASSERT(!node || node->isElementNode() || node->isShadowRoot());
     node = ancestorInThisScope(node);
     if (!node || !node->isElementNode())
         return 0;
     return toElement(node);
 }
 
 Vector<Element*> TreeScope::elementsFromPoint(int x, int y) const
 {
     Vector<Element*> elements;
 
     Document& document = rootNode().document();
     IntPoint hitPoint(x, y);
     if (!pointWithScrollAndZoomIfPossible(document, hitPoint))
         return elements;
 
     HitTestRequest request(HitTestRequest::ReadOnly | HitTestRequest::Active | HitTestRequest::ListBased | HitTestRequest::PenetratingList);
-    HitTestResult result(hitPoint);
-    document.layoutView()->hitTest(request, result);
+    HitTestResult result(request, hitPoint);
+    document.layoutView()->hitTest(result);
 
     Node* lastNode = nullptr;
     for (const auto rectBasedNode : result.listBasedTestResult()) {
         Node* node = rectBasedNode.get();
         if (!node || !node->isElementNode() || node->isDocumentNode())
             continue;
 
         if (node->isPseudoElement() || node->isTextNode())
             node = node->parentOrShadowHostNode();
         node = ancestorInThisScope(node);
@@ skipping 261 matching lines @@
     visitor->trace(m_parentTreeScope);
     visitor->trace(m_idTargetObserverRegistry);
     visitor->trace(m_selection);
     visitor->trace(m_elementsById);
     visitor->trace(m_imageMapsByName);
     visitor->trace(m_labelsByForAttribute);
     visitor->trace(m_scopedStyleResolver);
 }
 
 } // namespace blink