Get rid of custom code for HTMLDocument.write() / writeln()

Source/core/html/HTMLDocument.h

Index: Source/core/html/HTMLDocument.h
diff --git a/Source/core/html/HTMLDocument.h b/Source/core/html/HTMLDocument.h
index bc3b9a76e33ae549d26d64818028b7faadfd48b8..58e624f3e125ad7e6e5b46b9e8a038df330be428 100644
--- a/Source/core/html/HTMLDocument.h
+++ b/Source/core/html/HTMLDocument.h
@@ -74,6 +74,11 @@ public:
     void removeExtraNamedItem(const AtomicString& name);
     bool hasExtraNamedItem(const AtomicString& name);
 
+    using Document::write;
+    using Document::writeln;
+    void write(DOMWindow*, const Vector<String>& text);
+    void writeln(DOMWindow*, const Vector<String>& text);
+
     static bool isCaseSensitiveAttribute(const QualifiedName&);
 
     virtual PassRefPtr<Document> cloneDocumentWithoutChildren() OVERRIDE FINAL;