Remove the dup function

third_party/WebKit/Source/core/input/EventHandlingUtil.cpp

Index: third_party/WebKit/Source/core/input/EventHandlingUtil.cpp
diff --git a/third_party/WebKit/Source/core/input/EventHandlingUtil.cpp b/third_party/WebKit/Source/core/input/EventHandlingUtil.cpp
index 0872c3ac80eb61dceed1e067cf3500d9f46606ca..8ce9d0cac29983c8d1b672e86243e670d4b616e1 100644
--- a/third_party/WebKit/Source/core/input/EventHandlingUtil.cpp
+++ b/third_party/WebKit/Source/core/input/EventHandlingUtil.cpp
@@ -92,14 +92,6 @@ ScrollableArea* AssociatedScrollableArea(const PaintLayer* layer) {
   return nullptr;
 }
 
-Element* ParentElementIfNeeded(Node* node) {
-  if (!node)
-    return nullptr;
-  if (node->IsElementNode())
-    return ToElement(node);
-  return FlatTreeTraversal::ParentElement(*node);
-}
-
 ContainerNode* ParentForClickEvent(const Node& node) {
   // IE doesn't dispatch click events for mousedown/mouseup events across form
   // controls.