Bug 1415682 - Abort API exposed to System, r=qdot

.eslintignore

@@ -181,6 +181,7 @@ devtools/server/tests/unit/setBreakpoint*
 devtools/server/tests/unit/sourcemapped.js
 
 # dom/ exclusions
+dom/abort/**
 dom/animation/**
 dom/archivereader/**
 dom/asmjscache/**

dom/abort/tests/moz.build

@@ -5,3 +5,5 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 MOCHITEST_MANIFESTS += ['mochitest.ini']
+
+XPCSHELL_TESTS_MANIFESTS += ['unit/xpcshell.ini']

dom/abort/tests/unit/test_abort.js

@@ -0,0 +1,8 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function run_test() {
+  let ac = new AbortController();
+  do_check_true(ac instanceof AbortController);
+  do_check_true(ac.signal instanceof AbortSignal);
+}

dom/abort/tests/unit/xpcshell.ini

@@ -0,0 +1,5 @@
+[DEFAULT]
+head =
+support-files =
+
+[test_abort.js]

dom/webidl/AbortController.webidl

@@ -7,7 +7,7 @@
  * https://dom.spec.whatwg.org/#abortcontroller
  */
 
-[Constructor(), Exposed=(Window,Worker)]
+[Constructor(), Exposed=(Window,Worker,System)]
 interface AbortController {
   readonly attribute AbortSignal signal;
 

dom/webidl/AbortSignal.webidl

@@ -7,7 +7,7 @@
  * https://dom.spec.whatwg.org/#abortsignal
  */
 
-[Exposed=(Window,Worker)]
+[Exposed=(Window,Worker,System)]
 interface AbortSignal : EventTarget {
   readonly attribute boolean aborted;