Remove MediaStream label, ended attributes and stop() method

LayoutTests/fast/mediastream/MediaStream-onended.html

Index: LayoutTests/fast/mediastream/MediaStream-onended.html
diff --git a/LayoutTests/fast/mediastream/MediaStream-onended.html b/LayoutTests/fast/mediastream/MediaStream-onended.html
index 3cd40cb337b1c4798f8e9a8e9186e14426b66f23..44804b3de924d083fdc09a60a52b57404df79583 100644
--- a/LayoutTests/fast/mediastream/MediaStream-onended.html
+++ b/LayoutTests/fast/mediastream/MediaStream-onended.html
@@ -27,16 +27,17 @@ var stream;
 
 function streamEnded2() {
     testPassed('streamEnded was called.');
-    shouldBeTrue('stream.ended');
     finishJSTest();
 }
 
 function gotStream2(s) {
     stream = new webkitMediaStream(s);
-    shouldBeFalse('stream.ended');
     try {
         stream.onended = streamEnded2;
-        s.stop();
+        for (var i = 0; i < s.getAudioTracks().length; i++)

[philipj_slow, 2015/08/27 14:34:54]

If you know how many stream there are in this test, presumably just one audio
stream and one video stream, I think it'd be fine to just close those
explicitly, without the loop. Less code.

[shiva.jm, 2015/08/28 04:40:22]

Done.

+            s.getAudioTracks()[i].stop();
+        for (var i = 0; i < s.getVideoTracks().length; i++)
+            s.getVideoTracks()[i].stop();
     } catch (e) {
         testFailed('MediaStream threw exception :' + e);
         finishJSTest();
@@ -45,17 +46,17 @@ function gotStream2(s) {
 
 function streamEnded() {
     testPassed('streamEnded was called.');
-    shouldBeTrue('stream.ended');
-
     getUserMedia({audio:true, video:true}, gotStream2);
 }
 
 function gotStream(s) {
     stream = s;
-    shouldBeFalse('stream.ended');
     try {
         stream.onended = streamEnded;
-        stream.stop();
+        for (var i = 0; i < s.getAudioTracks().length; i++)
+            s.getAudioTracks()[i].stop();
+        for (var i = 0; i < s.getVideoTracks().length; i++)
+            s.getVideoTracks()[i].stop();
     } catch (e) {
         testFailed('MediaStream threw exception :' + e);
         finishJSTest();