Remove more API from Node and ContainerNode.

sky/engine/core/dom/Node.h

Index: sky/engine/core/dom/Node.h
diff --git a/sky/engine/core/dom/Node.h b/sky/engine/core/dom/Node.h
index 77e115e212fb1ed3ab8e6264bf9ca7a8602eee48..9efa372d6f8bb9ee555a349f882920431187d5a1 100644
--- a/sky/engine/core/dom/Node.h
+++ b/sky/engine/core/dom/Node.h
@@ -107,12 +107,9 @@ protected:
 
 // TreeShared should be the last to pack TreeShared::m_refCount and
 // Node::m_nodeFlags on 64bit platforms.
-#define NODE_BASE_CLASSES public EventTarget, public TreeShared<Node>
-
-class Node : NODE_BASE_CLASSES {
+class Node : public EventTarget, public TreeShared<Node> {
     DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(TreeShared<Node>);
     DEFINE_WRAPPERTYPEINFO();
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(Node);
     friend class Document;
     friend class TreeScope;
     friend class TreeScopeAdopter;
@@ -149,8 +146,6 @@ public:
 
     bool hasTagName(const HTMLQualifiedName&) const;
     virtual String nodeName() const = 0;
-    virtual String nodeValue() const;
-    virtual void setNodeValue(const String&);
     virtual NodeType nodeType() const = 0;
     ContainerNode* parentNode() const;
     Element* parentElement() const;
@@ -571,8 +566,6 @@ public:
     void setAlreadySpellChecked(bool flag) { setFlag(flag, AlreadySpellCheckedFlag); }
     bool isAlreadySpellChecked() { return getFlag(AlreadySpellCheckedFlag); }
 
-    virtual void trace(Visitor*) override;
-
     unsigned lengthOfContents() const;
 
     virtual v8::Handle<v8::Object> wrap(v8::Handle<v8::Object> creationContext, v8::Isolate*) override;