Properties set on window.customElements can disappear due to GC
https://bugs.webkit.org/show_bug.cgi?id=172575

Lexicologically sort the IDL attributes per Darin's comment.

* dom/CustomElementRegistry.idl:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@234585 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/Source/WebCore/dom/CustomElementRegistry.idl b/Source/WebCore/dom/CustomElementRegistry.idl
index d42ffc3..77c6f66 100644
--- a/Source/WebCore/dom/CustomElementRegistry.idl
+++ b/Source/WebCore/dom/CustomElementRegistry.idl
@@ -25,8 +25,8 @@
 
 [
     EnabledAtRuntime=CustomElements,
+    GenerateIsReachable=ImplScriptExecutionContext,
     JSGenerateToNativeObject,
-    GenerateIsReachable=ImplScriptExecutionContext
 ] interface CustomElementRegistry {
     [CEReactions, Custom] void define(DOMString name, Function constructor);
     any get(DOMString name);