Bug 1556854 - Enable ESLint for dom/media/test/ - Enable automatically fixable rules. r=jya.

This enables the following rules:

    - dot-notation
    - mozilla/no-useless-parameters
    - no-else-return
    - no-useless-return
    - object-shorthand

Differential Revision: https://phabricator.services.mozilla.com/D50131

--HG--
extra : moz-landing-system : lando

.eslintrc.js

@@ -388,13 +388,10 @@ module.exports = {
     ],
     "rules": {
       "consistent-return": "off",
-      "dot-notation": "off",
-      "mozilla/no-useless-parameters": "off",
       "mozilla/use-default-preference-values": "off",
       "mozilla/use-services": "off",
       "no-array-constructor": "off",
       "no-async-promise-executor": "off",
-      "no-else-return": "off",
       "no-redeclare": "off",
       "no-nested-ternary": "off",
       "no-self-assign": "off",
@@ -402,8 +399,6 @@ module.exports = {
       "no-undef": "off",
       "no-unsanitized/property": "off",
       "no-unused-vars": "off",
-      "no-useless-return": "off",
-      "object-shorthand": "off",
     }
   }]
 };

dom/media/test/eme.js

@@ -137,7 +137,7 @@ function GenerateClearKeyLicense(licenseRequest, keyStore) {
 
   return new TextEncoder().encode(
     JSON.stringify({
-      keys: keys,
+      keys,
       type: msg.type || "temporary",
     })
   );
@@ -165,9 +165,8 @@ function UpdateSessionFunc(test, token, sessionType, resolve, reject) {
 function MaybeCrossOriginURI(test, uri) {
   if (test.crossOrigin) {
     return "https://example.com:443/tests/dom/media/test/allowed.sjs?" + uri;
-  } else {
-    return uri;
   }
+  return uri;
 }
 
 function AppendTrack(test, ms, track, token) {

dom/media/test/file_autoplay_policy_activation_frame.html

@@ -23,7 +23,7 @@
           } else if (event.data == "play-muted") {
             playAndPostResult(true, event.source);
           }
-        }, false);
+        });
       let w = window.opener || window.parent;
       w.postMessage("ready", "*");
     </script>

dom/media/test/file_autoplay_policy_eventdown_activation.html

@@ -41,7 +41,7 @@
                   let p = await element.play().then(() => true, () => false);
                   ok(p, "Expect to be activated already in " + eventName);
                   resolve();
-                }, false);
+                });
               });
             });
 

dom/media/test/manifest.js

@@ -1918,9 +1918,8 @@ function getPlayableAudio(candidates) {
 function getMajorMimeType(mimetype) {
   if (/^video/.test(mimetype)) {
     return "video";
-  } else {
-    return "audio";
   }
+  return "audio";
 }
 
 // Force releasing decoder to avoid timeout in waiting for decoding resource.
@@ -1959,10 +1958,10 @@ function once(target, name, cb) {
 function nextEvent(video, eventName) {
   return new Promise(function(resolve, reject) {
     let f = function(event) {
-      video.removeEventListener(eventName, f, false);
+      video.removeEventListener(eventName, f);
       resolve(event);
     };
-    video.addEventListener(eventName, f, false);
+    video.addEventListener(eventName, f);
   });
 }
 
@@ -2186,7 +2185,6 @@ function MediaTestManager() {
         SimpleTest.finish();
       };
       mediaTestCleanup(onCleanup);
-      return;
     }
   };
 }

dom/media/test/marionette/yttest/debug_info.js

@@ -9,10 +9,10 @@ video.mozRequestDebugInfo().then(debugInfo => {
     }
     JSONDebugInfo = JSONDebugInfo.slice(0, JSONDebugInfo.length - 1);
     JSONDebugInfo += "}";
-    result["mozRequestDebugInfo"] = JSON.parse(JSONDebugInfo);
+    result.mozRequestDebugInfo = JSON.parse(JSONDebugInfo);
   } catch (err) {
     console.log(`Error '${err.toString()} in JSON.parse(${debugInfo})`);
-    result["mozRequestDebugInfo"] = debugInfo;
+    result.mozRequestDebugInfo = debugInfo;
   }
   resolve(result);
 });

dom/media/test/marionette/yttest/force_hd.js

@@ -5,11 +5,11 @@ var config = {
   HD: true,
   LQ: false,
   ID: "auto-hd-lq-for-ytb",
-  type: function(t) {
+  type(t) {
     config.HD = t === "hd";
     config.LQ = t === "lq";
   },
-  quality: function() {
+  quality() {
     if (config.HD || config.LQ) {
       var youtubePlayerListener = function(LQ, HD) {
         return function(e) {

dom/media/test/test_autoplay_policy_web_audio_AudioParamStream.html

@@ -101,7 +101,7 @@ function createAudioParams(nodeType) {
       return [ac.createStereoPanner().pan];
     default:
       ok(false, `non-defined node type ${nodeType}.`);
-      return;
+      
   }
 }
 

dom/media/test/test_background_video_suspend.html

@@ -76,6 +76,6 @@
       ["privacy.reduceTimerPrecision", false]
     ],
     tests: gDecodeSuspendTests,
-    runTest: runTest
+    runTest
   });
 </script>

dom/media/test/test_background_video_suspend_ends.html

@@ -50,6 +50,6 @@
       ["media.suspend-bkgnd-video.delay-ms", 1000]
     ],
     tests: gDecodeSuspendTests,
-    runTest: runTest
+    runTest
   });
 </script>

dom/media/test/test_bug686942.html

@@ -21,7 +21,7 @@ function onloaded(event) {
   var v = event.target;
   v.removeEventListener("loadedmetadata", onloaded);
   v.currentTime = v.duration;
-  return;
+  
 }
 
 function checkNotPlaying(v) {

dom/media/test/test_decoder_disable.html

@@ -26,9 +26,9 @@ function e(id) {
 
 var gLoadError = new Object();
 
-gLoadError['video1'] = 0; 
-gLoadError['video2'] = 0;
-gLoadError['video3'] = 0;
+gLoadError.video1 = 0; 
+gLoadError.video2 = 0;
+gLoadError.video3 = 0;
 
 var gErrorCount = 0;
 
@@ -45,9 +45,9 @@ function finishTest() {
      filename(e('video3').src),
      'video3 currentSrc should match src');
 
-  is(gLoadError['video1'], 2, "Expect one error per invalid source child on video1");
-  is(gLoadError['video2'], 1, "Expect one error on video2");
-  is(gLoadError['video3'], 1, "Expect one error on video3");
+  is(gLoadError.video1, 2, "Expect one error per invalid source child on video1");
+  is(gLoadError.video2, 1, "Expect one error on video2");
+  is(gLoadError.video3, 1, "Expect one error on video3");
 
   SimpleTest.finish();
 }

dom/media/test/test_eme_pssh_in_moof.html

@@ -117,7 +117,7 @@
         session.generateRequest(event.initDataType, event.initData);
       }
 
-      video.addEventListener("encrypted", handleEncrypted, false);
+      video.addEventListener("encrypted", handleEncrypted);
 
       video.addEventListener("ended", () => {
         let expectedEncryptedEvents =

dom/media/test/test_fragment_noplay.html

@@ -116,7 +116,7 @@ function startTest(test, token) {
     removeNodeAndSource(v);
     m.finished(v.token);
   }}(video, manager);
-  window['test_fragment_noplay'](video, test.start, test.end, localIs, localOk, localFinish);
+  window.test_fragment_noplay(video, test.start, test.end, localIs, localOk, localFinish);
 }
 
 manager.runTests(createTestArray(), startTest);

dom/media/test/test_fragment_play.html

@@ -80,7 +80,7 @@ function startTest(test, token) {
     removeNodeAndSource(v);
     m.finished(v.token);
   }}(video, manager);
-  window['test_fragment_play'](video, test.start, test.end, localIs, localOk, localFinish);
+  window.test_fragment_play(video, test.start, test.end, localIs, localOk, localFinish);
 }
 
 manager.runTests(createTestArray(), startTest);

dom/media/test/test_load.html

@@ -89,16 +89,14 @@ function prependSource(src, type) {
 var gTests = [
   {
     // Test 0: adding video to doc, then setting src should load implicitly.
-    create:
-      function(src, type) {
+    create(src, type) {
         document.body.appendChild(gMedia);
         gMedia.src = src;
       },
     expectedEvents: ['loadstart', 'durationchange', 'loadedmetadata', 'loadeddata']
   }, {
     // Test 1: adding video to doc, then adding source.
-    create:
-      function(src, type) {
+    create(src, type) {
         document.body.appendChild(gMedia);
         addSource(src, type);
       },
@@ -106,8 +104,7 @@ var gTests = [
   },{
     // Test 2: video with multiple source, the first of which are bad, we should load the last,
     // and receive error events for failed loads on the source children.
-    create:
-      function(src, type) {
+    create(src, type) {
         document.body.appendChild(gMedia);
         addSource("404a", type);
         addSource("404b", type);
@@ -116,8 +113,7 @@ var gTests = [
     expectedEvents: ['loadstart', 'source_error', 'source_error', 'durationchange', 'loadedmetadata', 'loadeddata']
   }, {
     // Test 3:  video with bad src, good <source>, ensure that <source> aren't used.
-    create:
-      function(src, type) {
+    create(src, type) {
         gMedia.src = "404a";
         addSource(src, type);
         document.body.appendChild(gMedia);
@@ -126,8 +122,7 @@ var gTests = [
   }, {
     // Test 4:  video with only bad source, loading, then adding a good source
     // -  should resume load.
-    create:
-      function(src, type) {
+    create(src, type) {
         addSource("404a", type);
         var s2 = addSource("404b", type);
         s2.addEventListener("error",
@@ -143,8 +138,7 @@ var gTests = [
     // a good <source> to the video, it shouldn't be selected, because the
     // "pointer" should be after the last child - the bad source.
     prepended: false,
-    create:
-      function(src, type) {
+    create(src, type) {
         var prepended = false;
         addSource("404a", type);
         var s2 = addSource("404b", type);
@@ -162,8 +156,7 @@ var gTests = [
   }, {
     // Test 6: (Bug 1165203) preload="none" then followed by an explicit
     // call to load() should load metadata
-    create:
-      function(src, type) {
+    create(src, type) {
         gMedia.preload = "none";
         gMedia.src = src;
         document.body.appendChild(gMedia);

dom/media/test/test_midflight_redirect_blocked.html

@@ -34,12 +34,12 @@
           element.addEventListener("loadedmetadata", ()=>{
             resolve(true);
             removeNodeAndSource(element);
-          }, false);
+          });
 
           element.addEventListener("error", ()=>{
             resolve(false);
             removeNodeAndSource(element);
-          }, false);
+          });
 
           var noise = Math.floor(Math.random() * 100000000);
           // Note: request redirect before the end of metadata, otherwise we won't

dom/media/test/test_played.html

@@ -32,7 +32,7 @@ function check_full_file_played(element) {
 var tests = [
 // Without playing, check that player.played.length == 0.
 {
-  setup : function(element) {
+  setup(element) {
     element.addEventListener("loadedmetadata", function() {
       is(element.played.length, 0, element.token + ": initial played.length equals zero");
       finish_test(element);
@@ -42,7 +42,7 @@ var tests = [
 },
 // Play the file, test the range we have.
 {
-  setup : function(element) {
+  setup(element) {
     check_full_file_played(element);
     element.play();
   },
@@ -52,7 +52,7 @@ var tests = [
 // Play the second half of the file, pause, play
 // an check we have only one range.
 {
-  setup : function (element) {
+  setup (element) {
     element.onended = function (e) {
       var t = e.target;
       t.onended = null;
@@ -72,7 +72,7 @@ var tests = [
 // Play the first half of the file, seek back, while
 // continuing to play. We shall have only one range.
 {
-  setup : function (element) {
+  setup (element) {
     let onTimeUpdate = function() {
       if (element.currentTime > element.duration / 2) {
         info(element.token + ": currentTime=" + element.currentTime + ", duration=" + element.duration);
@@ -95,7 +95,7 @@ var tests = [
 // Play and seek to have two ranges, and check that, as well a
 // boundaries.
 {
-  setup : function (element) {
+  setup (element) {
     let seekTarget = 0;
     let onTimeUpdate = function() {
       if (element.currentTime > element.duration / 2) {
@@ -132,7 +132,7 @@ var tests = [
 
 // Play to create two ranges, in the reverse order. check that they are sorted.
 {
-  setup : function (element) {
+  setup (element) {
     function end() {
       element.pause();
       let p = element.played;
@@ -178,7 +178,7 @@ var tests = [
 },
 // Seek repeatedly without playing. No range should appear.
 {
-  setup : function(element) {
+  setup(element) {
     let index = 1;
 
     element.addEventListener('seeked', function() {

dom/media/test/test_preload_actions.html

@@ -65,8 +65,7 @@ var tests = [
     // after receiving a suspend event. Should not receive loaded events until after we call load().
     // Note the suspend event is explictly sent by our "stop the load" code, but other tests can't rely
     // on it for the preload:metadata case, as there can be multiple suspend events when loading metadata.
-    suspend:
-    function(e) {
+    suspend(e) {
       var v = e.target;
       is(v._gotLoadStart, true, "(1) Must get loadstart.");
       is(v._gotLoadedMetaData, false, "(1) Must not get loadedmetadata.");
@@ -76,8 +75,7 @@ var tests = [
       maybeFinish(v, 1);
     },
 
-    setup:
-    function(v) {
+    setup(v) {
       v._gotLoadStart = false;
       v._gotLoadedMetaData = false;
       v.preload = "none";
@@ -93,8 +91,7 @@ var tests = [
   {
     // 2. Add preload:metadata video with src to document. Should halt with NETWORK_IDLE, HAVE_CURRENT_DATA
     // after suspend event and after loadedmetadata.
-    loadeddata:
-    function(e) {
+    loadeddata(e) {
       var v = e.target;
       is(v._gotLoadStart, true, "(2) Must get loadstart.");
       is(v._gotLoadedMetaData, true, "(2) Must get loadedmetadata.");
@@ -104,8 +101,7 @@ var tests = [
       maybeFinish(v, 2);
     },
 
-    setup:
-    function(v) {
+    setup(v) {
       v._gotLoadStart = false;
       v._gotLoadedMetaData = false;
       v.preload = "metadata";
@@ -121,16 +117,14 @@ var tests = [
   },
   {
     // 3. Add preload:auto to document. Should receive canplaythrough eventually.
-    canplaythrough:
-    function(e) {
+    canplaythrough(e) {
       var v = e.target;
       is(v._gotLoadStart, true, "(3) Must get loadstart.");
       is(v._gotLoadedMetaData, true, "(3) Must get loadedmetadata.");
       maybeFinish(v, 3);
     },
 
-    setup:
-    function(v) {
+    setup(v) {
       v._gotLoadStart = false;
       v._gotLoadedMetaData = false;
       v.preload = "auto";
@@ -145,8 +139,7 @@ var tests = [
   },
   {
     // 4. Add preload:none video to document. Call play(), should load then play through.
-    suspend:
-    function(e) {
+    suspend(e) {
       var v = e.target;
       if (v._gotSuspend) {
         return; // We can receive multiple suspend events, like the one after download completes.
@@ -160,14 +153,12 @@ var tests = [
       v.play(); // Should load and play through.
     },
 
-    ended:
-    function(e) {
+    ended(e) {
       ok(true, "(4) Got playback ended");
       maybeFinish(e.target, 4);
     },
 
-    setup:
-    function(v) {
+    setup(v) {
       v._gotLoadStart = false;
       v._gotLoadedMetaData = false;
       v._gotSuspend = false;
@@ -185,8 +176,7 @@ var tests = [
   {
     // 5. preload:none video without resource, add to document, will implicitly start a
     // preload:none load. Add a src, it shouldn't load.
-    suspend:
-    function(e) {
+    suspend(e) {
       var v = e.target;
       is(v._gotLoadStart, true, "(5) Must get loadstart.");
       is(v._gotLoadedMetaData, false, "(5) Must not get loadedmetadata.");
@@ -196,8 +186,7 @@ var tests = [
       maybeFinish(v, 5);
     },
 
-    setup:
-    function(v) {
+    setup(v) {
       v._gotLoadStart = false;
       v._gotLoadedMetaData = false;
       v.preload = "none";
@@ -213,8 +202,7 @@ var tests = [
   {
     // 6. preload:none video without resource, add to document, will implicitly start a
     // preload:none load. Add a source, it shouldn't load.
-    suspend:
-    function(e) {
+    suspend(e) {
       var v = e.target;
       is(v._gotLoadStart, true, "(6) Must get loadstart.");
       is(v._gotLoadedMetaData, false, "(6) Must not get loadedmetadata.");
@@ -224,8 +212,7 @@ var tests = [
       maybeFinish(v, 6);
     },
 
-    setup:
-    function(v) {
+    setup(v) {
       v._gotLoadStart = false;
       v._gotLoadedMetaData = false;
       v.preload = "none";
@@ -244,8 +231,7 @@ var tests = [
   {
     // 7. create a preload:none document with multiple sources, the first of which is invalid.
     // Add to document, then play. It should load and play through the second source.
-    suspend:
-    function(e) {
+    suspend(e) {
       var v = e.target;
       if (v._gotSuspend)
         return; // We can receive multiple suspend events, like the one after download completes.
@@ -258,16 +244,14 @@ var tests = [
       v.play(); // Should load and play through.
     },
 
-    ended:
-    function(e) {
+    ended(e) {
       ok(true, "(7) Got playback ended");
       var v = e.target;
       is(v._gotErrorEvent, true, "(7) Should get error event from first source load failure");
       maybeFinish(v, 7);
     },
 
-    setup:
-    function(v) {
+    setup(v) {
       v._gotLoadStart = false;
       v._gotLoadedMetaData = false;
       v.preload = "none";
@@ -292,8 +276,7 @@ var tests = [
   },
   {
     // 8. Change preload value from none to metadata should cause metadata to be loaded.
-    loadeddata:
-    function(e) {
+    loadeddata(e) {
       var v = e.target;
       is(v._gotLoadedMetaData, true, "(8) Must get loadedmetadata.");
       ok(v.readyState >= v.HAVE_CURRENT_DATA, "(8) ReadyState must be >= HAVE_CURRENT_DATA on suspend.");
@@ -302,8 +285,7 @@ var tests = [
       maybeFinish(v, 8);
     },
 
-    setup:
-    function(v) {
+    setup(v) {
       v._gotLoadedMetaData = false;
       v.preload = "none";
       v.addEventListener("loadstart", function(e){v.preload = "metadata";});
@@ -342,15 +324,13 @@ var tests = [
   },*/
   {
     // 10. Change preload value from none to auto should cause entire media to be loaded.
-    canplaythrough:
-    function(e) {
+    canplaythrough(e) {
       var v = e.target;
       is(v._gotLoadedMetaData, true, "(10) Must get loadedmetadata.");
       maybeFinish(v, 10);
     },
 
-    setup:
-    function(v) {
+    setup(v) {
       v._gotLoadedMetaData = false;
       v.preload = "none";
       v.addEventListener("loadstart", function(e){v.preload = "auto";});
@@ -364,8 +344,7 @@ var tests = [
   },
   {
     // 11. Change preload value from none to metadata should cause metadata to load.
-    loadeddata:
-    function(e) {
+    loadeddata(e) {
       var v = e.target;
       is(v._gotLoadedMetaData, true, "(11) Must get loadedmetadata.");
       ok(v.readyState >= v.HAVE_CURRENT_DATA, "(11) ReadyState must be >= HAVE_CURRENT_DATA.");
@@ -374,8 +353,7 @@ var tests = [
       maybeFinish(v, 11);
     },
 
-    setup:
-    function(v) {
+    setup(v) {
       v._gotLoadedMetaData = false;
       v.preload = "none";
       v.addEventListener("loadstart", function(e){v.preload = "metadata";});
@@ -390,8 +368,7 @@ var tests = [
   {
     // 13. Change preload value from auto to none after specifying a src
     // should load according to preload none, no buffering should have taken place
-    suspend:
-    function(e) {
+    suspend(e) {
       var v = e.target;
       is(v._gotLoadStart, true, "(13) Must get loadstart.");
       is(v._gotLoadedMetaData, false, "(13) Must not get loadedmetadata.");
@@ -401,8 +378,7 @@ var tests = [
       maybeFinish(v, 13);
     },
 
-    setup:
-    function(v) {
+    setup(v) {
       v._gotLoadStart = false;
       v._gotLoadedMetaData = false;
       v.preload = "auto";
@@ -419,8 +395,7 @@ var tests = [
   },
   {
     // 14. Add preload:metadata video with src to document. Play(), should play through.
-    loadeddata:
-    function(e) {
+    loadeddata(e) {
       var v = e.target;
       is(v._gotLoadStart, true, "(14) Must get loadstart.");
       is(v._gotLoadedMetaData, true, "(14) Must get loadedmetadata.");
@@ -430,15 +405,13 @@ var tests = [
       v.play();
     },
 
-    ended:
-    function(e) {
+    ended(e) {
       ok(true, "(14) Got playback ended");
       var v = e.target;
       maybeFinish(v, 14);
     },
 
-    setup:
-    function(v) {
+    setup(v) {
       v._gotLoadStart = false;
       v._gotLoadedMetaData = false;
       v.preload = "metadata";
@@ -455,15 +428,13 @@ var tests = [
   },
   {
     // 15. Autoplay should override preload:none.
-    ended:
-    function(e) {
+    ended(e) {
       ok(true, "(15) Got playback ended.");
       var v = e.target;
       maybeFinish(v, 15);
     },
 
-    setup:
-    function(v) {
+    setup(v) {
       v._gotLoadStart = false;
       v._gotLoadedMetaData = false;
       v.preload = "none";
@@ -490,15 +461,13 @@ var tests = [
   },
   {
     // 16. Autoplay should override preload:metadata.
-    ended:
-    function(e) {
+    ended(e) {
       ok(true, "(16) Got playback ended.");
       var v = e.target;
       maybeFinish(v, 16);
     },
 
-    setup:
-    function(v) {
+    setup(v) {
       v.preload = "metadata";
       v.autoplay = true;
       v.addEventListener("ended", this.ended);
@@ -510,15 +479,13 @@ var tests = [
   },
   {
     // 17. On a preload:none video, adding autoplay should disable preload none, i.e. don't break autoplay!
-    ended:
-    function(e) {
+    ended(e) {
       ok(true, "(17) Got playback ended.");
       var v = e.target;
       maybeFinish(v, 17);
     },
 
-    setup:
-    function(v) {
+    setup(v) {
       v.addEventListener("ended", this.ended);
       v.preload = "none";
       document.body.appendChild(v); // Causes implicit load, which will be halted due to preload:none.
@@ -531,15 +498,13 @@ var tests = [
   {
     // 18. On a preload='none' video, call play() before load algorithms's sync
     // has run, the play() call should override preload='none'.
-    ended:
-    function(e) {
+    ended(e) {
       ok(true, "(18) Got playback ended.");
       var v = e.target;
       maybeFinish(v, 18);
     },
 
-    setup:
-    function(v) {
+    setup(v) {
       v.addEventListener("ended", this.ended);
       v.preload = "none";
       v.src = test.name; // Schedules async section to continue load algorithm.
@@ -552,8 +517,7 @@ var tests = [
   {
     // 19. Set preload='auto' on first video source then switching preload='none' and swapping the video source to another.
     // The second video should not start playing as it's preload state has been changed to 'none' from 'auto'
-    setup:
-    function(v) {
+    setup(v) {
       v.preload = "auto";
       v.src = test.name;
       // add a listener for when the video has loaded, so we know preload auto has worked

dom/media/test/test_preload_suspend.html

@@ -29,7 +29,7 @@ var tests = [
     name: 'v1',
     preload: 'none',
     expectedSuspendCount: 2,
-    onsuspend: function(evt) {
+    onsuspend(evt) {
       checkSuspendCount(evt);
       if (evt.target.suspendCount == 1) {
         evt.target.preload = 'auto';
@@ -53,7 +53,7 @@ var tests = [
     name: 'v4',
     preload: 'none',
     expectedSuspendCount: 2,
-    onsuspend: function(evt) {
+    onsuspend(evt) {
       checkSuspendCount(evt);
       if (evt.target.suspendCount == 1) {
         evt.target.play();
@@ -76,7 +76,7 @@ var tests = [
     name: 'v6',
     preload: 'none',
     expectedSuspendCount: 2,
-    onsuspend: function(evt) {
+    onsuspend(evt) {
       checkSuspendCount(evt);
       if (evt.target.suspendCount == 1) {
         evt.target.autoplay = true;

dom/media/test/test_seekable1.html

@@ -23,7 +23,7 @@ function finish_test(element) {
 var tests = [
 // Test using a finite media stream, and a server supporting range requests
 {
-setup : function(element) {
+setup(element) {
           is(element.seekable.length, 0, "seekable.length should be initialy 0.");
           element.addEventListener("loadedmetadata", function() {
               is(element.seekable.length, 1, "seekable.length should be 1 for a server supporting range requests.");

dom/media/test/test_source.html

@@ -31,9 +31,9 @@ function newSource(filter) {
     e.type = candidates[0].type;
     e.src = candidates[0].name;
     return e;
-  } else {
-    return null
   } 
+    return null
+  
 }
 
 var audioLoaded = false;

dom/media/test/test_timeupdate_small_files.html

@@ -19,9 +19,9 @@ var manager = new MediaTestManager;
 
 function ended(e) {
   var v = e.target;
-  ++v.counter["ended"];
-  is(v.counter["ended"], 1, v._name + " should see ended only once");
-  ok(v.counter["timeupdate"] > 0, v._name + " should see at least one timeupdate: " + v.currentTime);
+  ++v.counter.ended;
+  is(v.counter.ended, 1, v._name + " should see ended only once");
+  ok(v.counter.timeupdate > 0, v._name + " should see at least one timeupdate: " + v.currentTime);
 
   // Rest event counters for we don't allow events after ended.
   eventsToLog.forEach(function(event) {
@@ -55,7 +55,7 @@ var eventsToLog = ["play", "canplay", "canplaythrough", "loadstart", "loadedmeta
 function logEvent(event) {
   var v = event.target;
   ++v.counter[event.type];
-  if (v.counter["ended"] > 0) {
+  if (v.counter.ended > 0) {
     is(v.counter[event.type], 0, v._name + " got unexpected " + event.type + " after ended");
   }
 }
@@ -75,7 +75,7 @@ function startTest(test, token) {
     v.counter[e] = 0;
   });
   v.addEventListener("ended", ended);
-  v.counter["ended"] = 0;
+  v.counter.ended = 0;
   document.body.appendChild(v);
   v.play();
 }