Update interfaces/web-nfc.idl (#18607)

Source: https://github.com/tidoust/reffy-reports/blob/d705188/whatwg/idl/web-nfc.idl
Build: https://travis-ci.org/tidoust/reffy-reports/builds/575189906

Author: autofoolip

interfaces/web-nfc.idl

@@ -37,18 +37,17 @@ typedef DOMString NDEFRecordType;
 
 typedef (DOMString or ArrayBuffer or NDEFMessageInit) NDEFMessageSource;
 
-[Constructor(), SecureContext, Exposed=Window]
+[Constructor, SecureContext, Exposed=Window]
 interface NFCWriter {
   Promise<void> push(NDEFMessageSource message, optional NFCPushOptions options={});
 };
 
-[Constructor(optional NFCReaderOptions options={}), SecureContext, Exposed=Window]
+[Constructor, SecureContext, Exposed=Window]
 interface NFCReader : EventTarget {
   attribute EventHandler onreading;
   attribute EventHandler onerror;
 
-  void start();
-  void stop();
+  void scan(optional NFCScanOptions options={});
 };
 
 [Constructor(DOMString type, NFCReadingEventInit readingEventInitDict), SecureContext, Exposed=Window]
@@ -91,7 +90,8 @@ enum NFCPushTarget {
   "any"
 };
 
-dictionary NFCReaderOptions {
+dictionary NFCScanOptions {
+  AbortSignal? signal;
   USVString url = "";
   NDEFRecordType recordType;
   USVString mediaType = "";