Merge ChildNodeInsertionNotifier and ChildNodeRemovalNotifier into ContainerNode

Source/core/dom/ContainerNode.h

Index: Source/core/dom/ContainerNode.h
diff --git a/Source/core/dom/ContainerNode.h b/Source/core/dom/ContainerNode.h
index b7bd10c9420b3a22881f056b7b92f4023f546475..3e3a8dd48b9a17e142bf4e11bd002bce4ef922db 100644
--- a/Source/core/dom/ContainerNode.h
+++ b/Source/core/dom/ContainerNode.h
@@ -113,6 +113,12 @@ enum DynamicRestyleFlags {
     NumberOfDynamicRestyleFlags = 10,
 };
 
+// This constant controls how much buffer is initially allocated
+// for a Node Vector that is used to store child Nodes of a given Node.
+// FIXME: Optimize the value.
+const int initialNodeVectorSize = 11;
+typedef Vector<RefPtr<Node>, initialNodeVectorSize> NodeVector;
+
 class ContainerNode : public Node {
 public:
     virtual ~ContainerNode();
@@ -214,6 +220,9 @@ public:
 
     virtual void trace(Visitor*) OVERRIDE;
 
+    void notifyNodeInserted(Node&);
+    void notifyNodeRemoved(Node&);
+
 protected:
     ContainerNode(TreeScope*, ConstructionType = CreateContainer);
 
@@ -237,6 +246,8 @@ private:
     void willRemoveChildren();
     void willRemoveChild(Node& child);
 
+    void notifyNodeInsertedInternal(Node&, NodeVector& postInsertionNotificationTargets);
+
     bool hasRestyleFlag(DynamicRestyleFlags mask) const { return hasRareData() && hasRestyleFlagInternal(mask); }
     bool hasRestyleFlags() const { return hasRareData() && hasRestyleFlagsInternal(); }
     void setRestyleFlag(DynamicRestyleFlags);
@@ -351,12 +362,6 @@ inline ContainerNode* Node::parentElementOrDocumentFragment() const
     return parent && (parent->isElementNode() || parent->isDocumentFragment()) ? parent : 0;
 }
 
-// This constant controls how much buffer is initially allocated
-// for a Node Vector that is used to store child Nodes of a given Node.
-// FIXME: Optimize the value.
-const int initialNodeVectorSize = 11;
-typedef Vector<RefPtr<Node>, initialNodeVectorSize> NodeVector;
-
 inline void getChildNodes(Node& node, NodeVector& nodes)
 {
     ASSERT(!nodes.size());