Import latest web-platform-tests

third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/nodes/Document-createEvent.html

Index: third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/nodes/Document-createEvent.html
diff --git a/third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/nodes/Document-createEvent.html b/third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/nodes/Document-createEvent.html
index 20137d8789d0a6c80f280be22708d767bec90dec..1d8595c7a4d3892f8dc6c30835c81cb2d8d7c810 100644
--- a/third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/nodes/Document-createEvent.html
+++ b/third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/nodes/Document-createEvent.html
@@ -39,7 +39,7 @@ for (var alias in aliases) {
   testAlias(alias.toLowerCase(), iface);
   testAlias(alias.toUpperCase(), iface);
 
-  if (!alias.endsWith("s")) {
+  if (alias[alias.length - 1] != "s") {
     var plural = alias + "s";
     if (!(plural in aliases)) {
       test(function () {
@@ -66,11 +66,11 @@ test(function() {
 }, "Should throw NOT_SUPPORTED_ERR for unrecognized arguments");
 
 /*
-The following are event interfaces which do actually exist, but must still
-throw since they're absent from the table in the spec
-for document.createEvent().
-This list is not exhaustive.
-*/
+ * The following are event interfaces which do actually exist, but must still
+ * throw since they're absent from the table in the spec for
+ * document.createEvent().  This list is not exhaustive, but includes all
+ * interfaces that it is known some UA does or did not throw for.
+ */
 var someNonCreateableEvents = [
   "AnimationEvent",
   "AnimationPlayerEvent",
@@ -82,7 +82,9 @@ var someNonCreateableEvents = [
   "BlobEvent",
   "ClipboardEvent",
   "CloseEvent",
+  "CommandEvent",
   "CompositionEvent",
+  "DataContainerEvent",
   "DeviceLightEvent",
   "DeviceMotionEvent",
   "DeviceOrientationEvent",
@@ -107,13 +109,17 @@ var someNonCreateableEvents = [
   "MediaQueryListEvent",
   "MediaStreamEvent",
   "MediaStreamTrackEvent",
+  "MouseScrollEvent",
   "MutationEvent",
   "NotificationEvent",
+  "NotifyPaintEvent",
   "OfflineAudioCompletionEvent",
   "OrientationEvent",
+  "PageTransition", // Yes, with no "Event"
   "PageTransitionEvent",
   "PointerEvent",
   "PopStateEvent",
+  "PopUpEvent",
   "PresentationConnectionAvailableEvent",
   "PresentationConnectionCloseEvent",
   "ProgressEvent",
@@ -126,21 +132,25 @@ var someNonCreateableEvents = [
   "ResourceProgressEvent",
   "SVGEvent",
   "SVGZoomEvent",
+  "ScrollAreaEvent",
   "SecurityPolicyViolationEvent",
   "ServicePortConnectEvent",
   "ServiceWorkerMessageEvent",
+  "SimpleGestureEvent",
   "SpeechRecognitionError",
   "SpeechRecognitionEvent",
   "SpeechSynthesisEvent",
   "StorageEvent",
   "SyncEvent",
   "TextEvent",
+  "TimeEvent",
   "TrackEvent",
   "TransitionEvent",
   "WebGLContextEvent",
   "WebKitAnimationEvent",
   "WebKitTransitionEvent",
-  "WheelEvent"
+  "WheelEvent",
+  "XULCommandEvent",
 ];
 someNonCreateableEvents.forEach(function (eventInterface) {
   test(function () {
@@ -153,6 +163,6 @@ someNonCreateableEvents.forEach(function (eventInterface) {
     assert_throws("NOT_SUPPORTED_ERR", function () {
       var evt = document.createEvent(eventInterface + "s");
     });
-  }, 'Should throw NOT_SUPPORTED_ERR for pluralized non-legacy event interface "' + eventInterface + '"');
+  }, 'Should throw NOT_SUPPORTED_ERR for pluralized non-legacy event interface "' + eventInterface + 's"');
 });
 </script>