--- a/content/media/test/basic.vtt
+++ b/content/media/test/basic.vtt
@@ -1,22 +1,20 @@
 WEBVTT
-Region: id=testOne lines=2 width=30%
-Region: id=testTwo lines=4 width=20%
 
 1
-00:00.500 --> 00:00.700 region:testOne
+00:00.500 --> 00:00.700
 This
 
 2
-00:01.200 --> 00:02.400 region:testTwo
+00:01.200 --> 00:02.400
 Is
 
 2.5
-00:02.000 --> 00:03.500 region:testOne
+00:02.000 --> 00:03.500
 (Over here?!)
 
 3
 00:02.710 --> 00:02.910
 A
 
 4
 00:03.217 --> 00:03.989

--- a/content/media/test/test_texttrackcue.html
+++ b/content/media/test/test_texttrackcue.html
@@ -177,31 +177,16 @@ SpecialPowers.pushPrefEnv({"set": [["med
       isnot(trackElement.track.activeCues, null);
 
       trackElement.track.mode = "disabled";
       is(trackElement.track.activeCues, null);
 
       trackElement.track.mode = "showing";
       video.currentTime = 0;
 
-      var regionInfo = [
-        { lines: 2, width: 30 },
-        { lines: 4, width: 20 },
-        { lines: 2, width: 30 }
-      ];
-
-      for (var i = 0; i < regionInfo.length; i++) {
-        var cue = cueList[i];
-        isnot(cue.region, null, "Cue at " + i + " should have a region.");
-        for (var key in regionInfo[i]) {
-          is(cue.region[key], regionInfo[i][key], "Region should have a " + key +
-                                                  " property with a value of " + regionInfo[i][key])
-        }
-      }
-
       // Test TextTrack::ActiveCues.
       var cueInfo = [
         { startTime: 0.51, endTime: 0.71, ids: ["Cue 01"] },
         { startTime: 0.72, endTime: 1.19, ids: [] },
         { startTime: 1.2, endTime: 1.9, ids: [2] },
         { startTime: 2, endTime: 2.4, ids: [2, 2.5] },
         { startTime: 2.41, endTime: 2.70, ids: [2.5] },
         { startTime: 2.71, endTime: 2.91, ids: [2.5, 3] },

--- a/content/media/test/test_texttrackregion.html
+++ b/content/media/test/test_texttrackregion.html
@@ -31,28 +31,35 @@ SpecialPowers.pushPrefEnv({"set": [["med
       // Re-que run_tests() at the end of the event loop until the track
       // element has loaded its data.
       if (trackElement.readyState == 1) {
         setTimeout(run_tests, 0);
         return;
       }
       is(trackElement.readyState, 2, "Track::ReadyState should be set to LOADED.");
 
-      var cues = trackElement.track.cues;
+      var cues = trackElement.track.cues,
+          regions = trackElement.track.regions;
+
+      is(regions.length, 1, "Region list length should be 1.");
       is(cues.length, 1, "Cue list length should be 1.");
 
-      var region = cues[0].region;
-      isnot(region, null, "Region should not be null.");
+      is(cues[0].regionId, "fred", "Cue regionId should be 'fred'.");
+
+      var region = regions[0];
+
+      is(region.id, "fred", "Region ID should be 'fred'.");
       is(region.width, 62, "Region width should be 50.");
       is(region.lines, 5, "Region lines should be 5.");
       is(region.regionAnchorX, 4, "Region regionAnchorX should be 4.");
       is(region.regionAnchorY, 78, "Region regionAnchorY should be 78.");
       is(region.viewportAnchorX, 10, "Region viewportAnchorX should be 10.");
       is(region.viewportAnchorY, 90, "Region viewportAnchorY should be 90.");
       is(region.scroll, "up", "Region scroll should be 'up'");
+      is(region.track, trackElement.track, "Tracks should be equal.");
 
       SimpleTest.finish();
     });
   }
 );
 
 </script>
 </pre>