Implement custom element construction and some 'define' checks

third_party/WebKit/Source/core/dom/custom/CustomElementDefinition.cpp

Index: third_party/WebKit/Source/core/dom/custom/CustomElementDefinition.cpp
diff --git a/third_party/WebKit/Source/core/dom/custom/CustomElementDefinition.cpp b/third_party/WebKit/Source/core/dom/custom/CustomElementDefinition.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..1e3ab48e3a30772e74769e379fea2c2f7339ced1
--- /dev/null
+++ b/third_party/WebKit/Source/core/dom/custom/CustomElementDefinition.cpp
@@ -0,0 +1,17 @@
+// Copyright 2016 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 "core/dom/custom/CustomElementDefinition.h"
+
+namespace blink {
+
+CustomElementDefinition::CustomElementDefinition(
+    const AtomicString& localName,
+    const ScriptValue& prototype)
+    : m_localName(localName)
+    , m_prototype(prototype)
+{
+}
+
+} // namespace blink