Merge HTMLDocument into Document

sky/engine/core/dom/Document.h

Index: sky/engine/core/dom/Document.h
diff --git a/sky/engine/core/dom/Document.h b/sky/engine/core/dom/Document.h
index 6653e17ab86dd8e6afd09eae021bbb2ff9d2c438..a383f49f7661467073a5058f9faa83060e78decb 100644
--- a/sky/engine/core/dom/Document.h
+++ b/sky/engine/core/dom/Document.h
@@ -123,14 +123,6 @@ struct AnnotatedRegionValue;
 
 typedef int ExceptionCode;
 
-enum DocumentClass {
-    DefaultDocumentClass = 0,
-    HTMLDocumentClass = 1,
-    MediaDocumentClass = 1 << 4,
-};
-
-typedef unsigned char DocumentClassFlags;
-
 class Document;
 
 class Document : public ContainerNode, public TreeScope, public ExecutionContext, public ExecutionContextClient
@@ -213,8 +205,6 @@ public:
 
     PassRefPtr<Node> adoptNode(PassRefPtr<Node> source, ExceptionState&);
 
-    bool isHTMLDocument() const { return m_documentClasses & HTMLDocumentClass; }
-
     struct TransitionElementData {
         String scope;
         String selector;
@@ -540,7 +530,7 @@ public:
     virtual v8::Handle<v8::Object> wrap(v8::Handle<v8::Object> creationContext, v8::Isolate*) override;
 
 protected:
-    Document(const DocumentInit&, DocumentClassFlags = DefaultDocumentClass);
+    explicit Document(const DocumentInit&);
 
 #if !ENABLE(OILPAN)
     virtual void dispose() override;
@@ -691,8 +681,6 @@ private:
 
     OwnPtr<SelectorQueryCache> m_selectorQueryCache;
 
-    DocumentClassFlags m_documentClasses;
-
     RenderView* m_renderView;
 
 #if !ENABLE(OILPAN)