clean up media tests

third_party/WebKit/LayoutTests/media/autoplay.html

Index: third_party/WebKit/LayoutTests/media/autoplay.html
diff --git a/third_party/WebKit/LayoutTests/media/autoplay.html b/third_party/WebKit/LayoutTests/media/autoplay.html
index ca59be325e0c3c18f55759b24e6354649e8b6360..5fc52318e9e5e7952239cc670e9da2f2340d06be 100644
--- a/third_party/WebKit/LayoutTests/media/autoplay.html
+++ b/third_party/WebKit/LayoutTests/media/autoplay.html
@@ -4,23 +4,22 @@
 <script src="../resources/testharness.js"></script>
 <script src="../resources/testharnessreport.js"></script>
 <script src="media-file.js"></script>
-<div id="log"></div>
 <script>
 function autoplay_test(tagName, src)
 {
     async_test(function(t)
     {
-        var e = document.createElement(tagName);
-        e.src = src;
-        e.autoplay = true;
+        var media = document.createElement(tagName);
+        media.src = src;
+        media.autoplay = true;
         var actual_events = [];
         var expected_events = ['canplay', 'play', 'playing', 'canplaythrough'];
         expected_events.forEach(function(type)
         {
-            e.addEventListener(type, t.step_func(function()
+            media.addEventListener(type, t.step_func(function()
             {
-                assert_equals(e.readyState, e.HAVE_ENOUGH_DATA);
-                assert_false(e.paused);
+                assert_equals(media.readyState, media.HAVE_ENOUGH_DATA);
+                assert_false(media.paused);
                 actual_events.push(type);
                 if (type == 'canplaythrough') {
                     assert_array_equals(actual_events, expected_events);