Bug 1195152. Add test. r=jya

--HG-- extra : commitid : HW0g6OJhWsA extra : rebase_source : 31087d0081fc84b1817a1e6fb8b739c8b9f8fca8
2015-10-12 11:52:04 +13:00 · 2015-10-12 11:52:04 +13:00 · 882d9e8283
--- a/layout/reftests/ogg-video/444-1-ref.html
+++ b/layout/reftests/ogg-video/444-1-ref.html
@ -0,0 +1,15 @@
+<!DOCTYPE HTML>
+<html class="reftest-wait">
+<body>
+<video id="v1" src="seek420.ogv" style="position:absolute; left:0; top:0"></video>
+<!-- hide bottom of video -->
+<div style="position:absolute; top:120px; left:0; right:0; bottom:0; background:black"></div>
+<script>
+function doTest() {
+  v1.play();
+  setTimeout(function() {
+    document.documentElement.removeAttribute('class');
+  }, 500);
+}
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
--- a/layout/reftests/ogg-video/444-1.html
+++ b/layout/reftests/ogg-video/444-1.html
@ -0,0 +1,15 @@
+<!DOCTYPE HTML>
+<html class="reftest-wait">
+<body>
+<video id="v1" src="seek444.ogv" style="position:absolute; left:0; top:0"></video>
+<!-- hide bottom of video -->
+<div style="position:absolute; top:120px; left:0; right:0; bottom:0; background:black"></div>
+<script>
+function doTest() {
+  v1.play();
+  setTimeout(function() {
+    document.documentElement.removeAttribute('class');
+  }, 500);
+}
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
--- a/layout/reftests/ogg-video/reftest.list
+++ b/layout/reftests/ogg-video/reftest.list
@ -1,4 +1,5 @@
 # NOTE: bug 1084564 covers "fails"/"skip" annotations for b2g/android below:
+fuzzy(255,5000) == 444-1.html 444-1-ref.html
 fails-if(Android||B2G||Mulet) HTTP(..) == aspect-ratio-1a.xhtml aspect-ratio-1-ref.html # Initial mulet triage: parity with B2G/B2G Desktop
 fails-if(Android||B2G||Mulet) HTTP(..) == aspect-ratio-1b.xhtml aspect-ratio-1-ref.html # Initial mulet triage: parity with B2G/B2G Desktop
 fails-if(Android||B2G||Mulet) skip-if(gtkWidget) HTTP(..) == aspect-ratio-2a.xhtml aspect-ratio-2-ref.html # Initial mulet triage: parity with B2G/B2G Desktop
--- a/layout/reftests/ogg-video/seek420.ogv
+++ b/layout/reftests/ogg-video/seek420.ogv
--- a/layout/reftests/ogg-video/seek444.ogv
+++ b/layout/reftests/ogg-video/seek444.ogv