Gesture event hit test refactoring and reduction

Source/core/rendering/HitTestResult.cpp

Index: Source/core/rendering/HitTestResult.cpp
diff --git a/Source/core/rendering/HitTestResult.cpp b/Source/core/rendering/HitTestResult.cpp
index 44ee77719c5bf06e7f857f2d036325467e0e35bb..31465f0e0a6199094088f63a8894d4ec04ab9339 100644
--- a/Source/core/rendering/HitTestResult.cpp
+++ b/Source/core/rendering/HitTestResult.cpp
@@ -484,6 +484,17 @@ HitTestResult::NodeSet& HitTestResult::mutableRectBasedTestResult()
     return *m_rectBasedTestResult;
 }
 
+void HitTestResult::resolveRectBasedTest(Node* resolvedInnerNode, const LayoutPoint& resolvedPointInMainFrame)
+{
+    ASSERT(isRectBasedTest());
+    ASSERT(m_hitTestLocation.containsPoint(resolvedPointInMainFrame));
+    m_innerNode = resolvedInnerNode;
+    m_hitTestLocation = HitTestLocation(resolvedPointInMainFrame);
+    m_pointInInnerNodeFrame = resolvedPointInMainFrame;
+    m_rectBasedTestResult = nullptr;
+    ASSERT(!isRectBasedTest());
+}
+
 Node* HitTestResult::targetNode() const
 {
     Node* node = innerNode();