Implement callback reactions for Custom Elements V1

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

Index: third_party/WebKit/Source/core/dom/custom/CustomElementConnectedCallbackReaction.cpp
diff --git a/third_party/WebKit/Source/core/dom/custom/CustomElementConnectedCallbackReaction.cpp b/third_party/WebKit/Source/core/dom/custom/CustomElementConnectedCallbackReaction.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..93b13690bccec0ff19ecf8740c4fbeb8350a32e7
--- /dev/null
+++ b/third_party/WebKit/Source/core/dom/custom/CustomElementConnectedCallbackReaction.cpp
@@ -0,0 +1,23 @@
+// 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/CustomElementConnectedCallbackReaction.h"
+
+#include "core/dom/custom/CustomElementDefinition.h"
+
+namespace blink {
+
+CustomElementConnectedCallbackReaction::CustomElementConnectedCallbackReaction(
+    CustomElementDefinition* definition)
+    : CustomElementReaction(definition)
+{
+    DCHECK(definition->hasConnectedCallback());
+}
+
+void CustomElementConnectedCallbackReaction::invoke(Element* element)
+{
+    m_definition->runConnectedCallback(element);
+}
+
+} // namespace blink