Have positionInParentBeforeNode() / positionInParentAfterNode() take a reference

Source/core/editing/FrameSelection.cpp

Index: Source/core/editing/FrameSelection.cpp
diff --git a/Source/core/editing/FrameSelection.cpp b/Source/core/editing/FrameSelection.cpp
index f7f506acfa68b236b6e122f634ce858f4d973a65..ec3aeb755a65e90c20cc023ad8b498c40e858af2 100644
--- a/Source/core/editing/FrameSelection.cpp
+++ b/Source/core/editing/FrameSelection.cpp
@@ -325,9 +325,9 @@ void FrameSelection::respondToNodeModification(Node& node, bool baseRemoved, boo
         Position start = m_selection.start();
         Position end = m_selection.end();
         if (startRemoved)
-            updatePositionForNodeRemoval(start, &node);
+            updatePositionForNodeRemoval(start, node);
         if (endRemoved)
-            updatePositionForNodeRemoval(end, &node);
+            updatePositionForNodeRemoval(end, node);
 
         if (start.isNotNull() && end.isNotNull()) {
             if (m_selection.isBaseFirst())