Convert audio-controls* and audio-delete* tests to testharness.js

third_party/WebKit/LayoutTests/media/media-controls.js

 var captionsButtonElement;
 var captionsButtonCoordinates;
 
 // As specified in mediaControls.css, this is how long it takes to fade out controls
 const controlsFadeOutDurationMs = 300;
 
 // The timeout for the hide-after-no-mouse-movement behavior. Defined (and
 // should mirror) the value 'timeWithoutMouseMovementBeforeHidingMediaControls'
 // in MediaControls.cpp.
 const controlsMouseMovementTimeoutMs = 3000;
@@ skipping 81 matching lines @@
         for (i = 0; i < cueNumber; i++)
             displayElement = displayElement.nextSibling;
 
         if (!displayElement)
             throw "There are not " + cueNumber + " text track cues visible";
     }
 
     return displayElement;
 }
 
+function isClosedCaptionsButtonVisible(currentMediaElement)
+{
+    captionsButtonElement = mediaControlsButton(currentMediaElement, "toggle-closed-captions-button");

[fs, 2016/05/25 13:07:30]

Make these local to the function too ('var captions...') to avoid the
side-effect of setting globals.

+    captionsButtonCoordinates = mediaControlsButtonCoordinates(currentMediaElement, "toggle-closed-captions-button");
+
+    if (!captionsButtonElement.disabled
+        && captionsButtonCoordinates[0] > 0
+        && captionsButtonCoordinates[1] > 0) {
+        return true;
+    }
+
+    return false;
+}
+
 function testClosedCaptionsButtonVisibility(expected)
 {
     try {
         captionsButtonElement = mediaControlsButton(mediaElement, "toggle-closed-captions-button");
         captionsButtonCoordinates = mediaControlsButtonCoordinates(mediaElement, "toggle-closed-captions-button");
     } catch (exception) {
         consoleWrite("Failed to find a closed captions button or its coordinates: " + exception);
         if (expected)
             failTest();
         return;
@@ skipping 61 matching lines @@
     // Compute the time it'll take until the controls will be invisible -
     // assuming playback has been started prior to invoking this
     // function. Allow 500ms slack.
     var hideTimeoutMs = controlsMouseMovementTimeoutMs + controlsFadeOutDurationMs + 500;
 
     if (!mediaElement.loop && hideTimeoutMs >= 1000 * (mediaElement.duration - mediaElement.currentTime))
         throw "The media will end before the controls have been hidden";
 
     setTimeout(func, hideTimeoutMs);
 }