Added code to enable the first caption track if the user has requested captions and one such track …

LayoutTests/media/video-test.js

 
 var video = null;
 var mediaElement = document; // If not set, an event from any element will trigger a waitForEvent() callback.
 var console = null;
 var printFullTestDetails = true; // This is optionaly switched of by test whose tested values can differ. (see disableFullTestDetailsPrinting())
 var Failed = false;
 
 var track = null; // Current TextTrack being tested.
 var cues = null; // Current TextTrackCueList being tested.
 var numberOfTrackTests = 0;
@@ skipping 339 matching lines @@
 
         func();
     }
 
     requiredEvents = [];
     for (var i = 0; i < eventList.length; i++) {
         requiredEvents[i] = eventList[i][1];
         eventList[i][0].addEventListener(requiredEvents[i], _eventCallback, true);
     }
 }
+
+function clickCCButton()
+{
+    consoleWrite("*** Click the CC button.");
+    eventSender.mouseMoveTo(captionsButtonCoordinates[0], captionsButtonCoordinates[1]);
+    eventSender.mouseDown();
+    eventSender.mouseUp();
+}