Split custom element script use and move it into bindings

third_party/WebKit/Source/bindings/core/v8/ScriptCustomElementDefinition.h

+// 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.
+
+#ifndef ScriptCustomElementDefinition_h
+#define ScriptCustomElementDefinition_h
+
+#include "bindings/core/v8/ScopedPersistent.h"
+#include "core/CoreExport.h"
+#include "core/dom/custom/CustomElementDefinition.h"
+#include "v8.h"
+#include "wtf/Noncopyable.h"
+
+namespace blink {
+
+class CustomElementDescriptor;
+class CustomElementsRegistry;
+class ScriptState;
+
+class CORE_EXPORT ScriptCustomElementDefinition final :
+    public CustomElementDefinition {
+    WTF_MAKE_NONCOPYABLE(ScriptCustomElementDefinition);
+public:
+    static ScriptCustomElementDefinition* forConstructor(
+        ScriptState*,
+        CustomElementsRegistry*,
+        const v8::Local<v8::Value>& constructor);
+
+    static ScriptCustomElementDefinition* create(
+        ScriptState*,
+        CustomElementsRegistry*,
+        const CustomElementDescriptor&,
+        const v8::Local<v8::Object>& constructor,
+        const v8::Local<v8::Object>& prototype);
+
+    virtual ~ScriptCustomElementDefinition() = default;
+
+    v8::Local<v8::Object> constructor(ScriptState*) const;
+    v8::Local<v8::Object> prototype(ScriptState*) const;
+
+private:
+    ScriptCustomElementDefinition(
+        ScriptState*,
+        const CustomElementDescriptor&,
+        const v8::Local<v8::Object>& constructor,
+        const v8::Local<v8::Object>& prototype);
+
+    ScopedPersistent<v8::Object> m_constructor;
+    ScopedPersistent<v8::Object> m_prototype;
+};
+
+} // namespace blink
+
+#endif // ScriptCustomElementDefinition_h