Move IDLs to 39 roll

core/html/HTMLLinkElement.idl

Index: core/html/HTMLLinkElement.idl
diff --git a/core/html/HTMLLinkElement.idl b/core/html/HTMLLinkElement.idl
index 667acdb044fed6770ed32e618665759ccee9f522..a31a5eff56f0df84749cddbf0f4ebe0afc378ec3 100644
--- a/core/html/HTMLLinkElement.idl
+++ b/core/html/HTMLLinkElement.idl
@@ -23,7 +23,7 @@ interface HTMLLinkElement : HTMLElement {
     [Reflect] attribute boolean disabled;
     [Reflect] attribute DOMString charset;
     [Reflect, URL] attribute DOMString href;
-    [Reflect, ReflectOnly="anonymous"|"use-credentials", ReflectEmpty="anonymous", ReflectInvalid="anonymous"] attribute DOMString crossOrigin;
+    [Reflect, ReflectOnly=("anonymous","use-credentials"), ReflectEmpty="anonymous", ReflectInvalid="anonymous"] attribute DOMString? crossOrigin;
     [Reflect] attribute DOMString hreflang;
     [Reflect] attribute DOMString media;
     [Reflect] attribute DOMString rel;
@@ -35,7 +35,7 @@ interface HTMLLinkElement : HTMLElement {
     // DOM Level 2 Style
     readonly attribute StyleSheet sheet;
 
-    [RuntimeEnabled=HTMLImports] readonly attribute Document import;
+    readonly attribute Document import;
 
     [Reflect, RuntimeEnabled=SubresourceIntegrity] attribute DOMString integrity;
 };