Implement contextmenu attribute with basic support of <menu>

Source/core/html/HTMLMenuitemElement.cpp

Index: Source/core/html/HTMLMenuitemElement.cpp
diff --git a/Source/core/html/HTMLMenuitemElement.cpp b/Source/core/html/HTMLMenuitemElement.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..cbedadb2908f6221cb08bed8510b0898c5baead5
--- /dev/null
+++ b/Source/core/html/HTMLMenuitemElement.cpp
@@ -0,0 +1,25 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+#include "core/html/HTMLMenuitemElement.h"
+
+#include "HTMLNames.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+inline HTMLMenuitemElement::HTMLMenuitemElement(Document& document)

[esprehn, 2014/06/20 08:39:57]

Incorrect capitalization per the spec.

[pals, 2014/06/20 14:22:10]

Done.

+    : HTMLElement(menuitemTag, document)
+{
+    ScriptWrappable::init(this);
+}
+
+PassRefPtr<HTMLMenuitemElement> HTMLMenuitemElement::create(Document& document)
+{
+    return adoptRef(new HTMLMenuitemElement(document));
+}
+
+}