[Not for review] Implement a <blink> tag in Blink-in-JS

Source/core/html/HTMLBlinkElement.idl

Index: Source/core/html/HTMLBlinkElement.idl
diff --git a/Source/core/html/HTMLBlinkElement.idl b/Source/core/html/HTMLBlinkElement.idl
new file mode 100644
index 0000000000000000000000000000000000000000..2042190c9182aeb3ec54abd9c1c3929922329b10
--- /dev/null
+++ b/Source/core/html/HTMLBlinkElement.idl
@@ -0,0 +1,9 @@
+/*
+// 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.
+
+interface HTMLBlinkElement : HTMLElement {
+    [ImplementedInPrivateScript, OnlyExposedToPrivateScript] void attachedCallback();
+    [ImplementedInPrivateScript, OnlyExposedToPrivateScript] void detachedCallback();
+};