Add [CEReactions] IDL attributes for Custom Elements V1

third_party/WebKit/Source/core/html/HTMLAreaElement.idl

Index: third_party/WebKit/Source/core/html/HTMLAreaElement.idl
diff --git a/third_party/WebKit/Source/core/html/HTMLAreaElement.idl b/third_party/WebKit/Source/core/html/HTMLAreaElement.idl
index 7d8faf0229c99be148b78522e15051ae8e15a36d..2b3b6cebd648b3433c241bc158c604e187412ff0 100644
--- a/third_party/WebKit/Source/core/html/HTMLAreaElement.idl
+++ b/third_party/WebKit/Source/core/html/HTMLAreaElement.idl
@@ -21,18 +21,18 @@
 // https://html.spec.whatwg.org/#the-area-element
 
 interface HTMLAreaElement : HTMLElement {
-    [Reflect] attribute DOMString alt;
-    [Reflect] attribute DOMString coords;
-    [Reflect] attribute DOMString shape;
-    [Reflect] attribute DOMString target;
+    [CEReactions, Reflect] attribute DOMString alt;
+    [CEReactions, Reflect] attribute DOMString coords;
+    [CEReactions, Reflect] attribute DOMString shape;
+    [CEReactions, Reflect] attribute DOMString target;
     // FIXME: ping should be a DOMTokenList.
-    [Reflect] attribute DOMString ping;
+    [CEReactions, Reflect] attribute DOMString ping;
     // FIXME: download, rel, relList are missing
-    [Reflect, ReflectOnly=("","no-referrer","origin","no-referrer-when-downgrade","origin-when-cross-origin","unsafe-url"), ReflectMissing="", ReflectInvalid=""] attribute DOMString referrerpolicy;
+    [CEReactions, Reflect, ReflectOnly=("","no-referrer","origin","no-referrer-when-downgrade","origin-when-cross-origin","unsafe-url"), ReflectMissing="", ReflectInvalid=""] attribute DOMString referrerpolicy;
 
     // obsolete members
     // https://html.spec.whatwg.org/#HTMLAreaElement-partial
-    [Reflect] attribute boolean noHref;
+    [CEReactions, Reflect] attribute boolean noHref;
 };
 
 HTMLAreaElement implements HTMLHyperlinkElementUtils;