VTTCue: Add TypeChecking=Unrestricted

LayoutTests/media/track/track-add-remove-cue.html

Index: LayoutTests/media/track/track-add-remove-cue.html
diff --git a/LayoutTests/media/track/track-add-remove-cue.html b/LayoutTests/media/track/track-add-remove-cue.html
index a60de24937c95802d0ec79ba1a3854803cba8f66..4eb01f120df8e48a960904034d0c3acad3b87401 100644
--- a/LayoutTests/media/track/track-add-remove-cue.html
+++ b/LayoutTests/media/track/track-add-remove-cue.html
@@ -64,16 +64,6 @@
                 testExpected("newCue.size", 100);
                 testExpected("newCue.align", "middle");
 
-                consoleWrite("<br>*** Create an old-style cue with an id.");
-                run("oldStyleCue = new VTTCue('sausage-cue', 33, 3.4, 'Sausage?')");
-                testExpected("oldStyleCue.id", "");
-                testExpected("oldStyleCue.startTime.toString()", "NaN");
-                testExpected("oldStyleCue.endTime", 33);
-                consoleWrite("*** Make sure the old-style cue is not inserted because its start time is not a number.");
-                testExpected("testTrack.track.cues.length", 5);
-                run("testTrack.track.addCue(oldStyleCue)");
-                testExpected("testTrack.track.cues.length", 5);
-
                 consoleWrite("<br>*** Remove a cue created with addCue().");
                 run("testTrack.track.removeCue(textCue)");
                 testExpected("textCue.track", null);