Bug 1308388. P5 - we don't have to start playback to get buffer ranges. r=kaku

MozReview-Commit-ID: 1QRESDtlYVF

--HG--
extra : rebase_source : ae73689618c2bad5f4fd4961d7c0501939a1b82b

dom/media/test/test_buffered.html

@@ -95,7 +95,6 @@ function startTest(test, token) {
   // we have deterministic behaviour.
   var onfetched = function(uri) {
     var v = document.createElement('video');
-    v.autoplay = true;
     v._token = token;
     v.src = uri;
     v._name = test.name;