| Index: third_party/WebKit/Source/core/html/HTMLIFrameElement.idl | 
| diff --git a/third_party/WebKit/Source/core/html/HTMLIFrameElement.idl b/third_party/WebKit/Source/core/html/HTMLIFrameElement.idl | 
| index d3d3a9ff19ebe916d1c2b5ab9f20b0e309811647..935a702cb253fb5c91675de35861c99950b8964f 100644 | 
| --- a/third_party/WebKit/Source/core/html/HTMLIFrameElement.idl | 
| +++ b/third_party/WebKit/Source/core/html/HTMLIFrameElement.idl | 
| @@ -33,7 +33,8 @@ interface HTMLIFrameElement : HTMLElement { | 
| readonly attribute Window? contentWindow; | 
| [CheckSecurity=ReturnValue, RaisesException] Document? getSVGDocument(); | 
| [CEReactions, Reflect, ReflectOnly=("","no-referrer","origin","no-referrer-when-downgrade","origin-when-cross-origin","unsafe-url"), ReflectMissing="", ReflectInvalid=""] attribute DOMString referrerpolicy; | 
| - | 
| +    // https://noncombatant.github.io/permission-delegation-api/#delegation-via-the-declarative-api | 
| +    [RuntimeEnabled=PermissionDelegation, PutForwards=value] readonly attribute DOMTokenList permissions; | 
|  | 
| // obsolete members | 
| // https://html.spec.whatwg.org/#HTMLIFrameElement-partial | 
|  |