Introduce ContainerNode::insertNodeVector() to share code in insertBefore(), appendChild(), and rep…

third_party/WebKit/Source/core/dom/ContainerNode.h

Index: third_party/WebKit/Source/core/dom/ContainerNode.h
diff --git a/third_party/WebKit/Source/core/dom/ContainerNode.h b/third_party/WebKit/Source/core/dom/ContainerNode.h
index 4bdf9f285d06f4d042955ce0a0ac08b9d9d68b3f..46a9091b71109f4232fe2a8ccf3dbb8db6215449 100644
--- a/third_party/WebKit/Source/core/dom/ContainerNode.h
+++ b/third_party/WebKit/Source/core/dom/ContainerNode.h
@@ -242,7 +242,12 @@ private:
 
     NodeListsNodeData& ensureNodeLists();
     void removeBetween(Node* previousChild, Node* nextChild, Node& oldChild);
-    void insertBeforeCommon(Node& nextChild, Node& oldChild);
+    template <typename Functor> void insertNodeVector(const NodeVector&, Node* next, const Functor&);
+    class AdoptAndInsertBefore;
+    class AdoptAndAppendChild;
+    friend class AdoptAndInsertBefore;
+    friend class AdoptAndAppendChild;
+    void insertBeforeCommon(Node& nextChild, Node& newChild);
     void appendChildCommon(Node& child);
     void updateTreeAfterInsertion(Node& child);
     void willRemoveChildren();