Split custom element script use and move it into bindings

third_party/WebKit/Source/bindings/core/v8/V8CustomElementPerContextData.cpp

+// 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 "bindings/core/v8/V8CustomElementPerContextData.h"
+
+#include "bindings/core/v8/ScriptCustomElementDefinition.h"
+#include "bindings/core/v8/V0CustomElementBinding.h"
+
+namespace blink {
+
+V8CustomElementPerContextData::V8CustomElementPerContextData()
+{
+}
+
+V8CustomElementPerContextData::~V8CustomElementPerContextData()
+{
+}
+
+DEFINE_TRACE(V8CustomElementPerContextData)
+{
+    visitor->trace(m_definitions);
+}
+
+void V8CustomElementPerContextData::v0AddBinding(
+    PassOwnPtr<V0CustomElementBinding> binding)
+{
+    m_v0Bindings.append(std::move(binding));
+}
+
+uint32_t V8CustomElementPerContextData::addDefinition(
+    ScriptCustomElementDefinition* def)
+{
+    m_definitions.append(def);
+    return m_definitions.size() - 1;
+}
+
+ScriptCustomElementDefinition* V8CustomElementPerContextData::getDefinition(
+    uint32_t index)
+{
+    return m_definitions[index];
+}
+
+} // namespace blink