Remove unused functions from media-controls.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 117 matching lines @@
 
     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;
-    }
-
-    consoleWrite("");
-    if (expected == true) {
-        consoleWrite("** Caption button should be visible and enabled.");
-        testExpected("captionsButtonCoordinates[0]", 0, ">");
-        testExpected("captionsButtonCoordinates[1]", 0, ">");
-        testExpected("captionsButtonElement.disabled", false);
-    } else {
-        consoleWrite("** Caption button should not be visible.");
-        testExpected("captionsButtonCoordinates[0]", 0, "<=");
-        testExpected("captionsButtonCoordinates[1]", 0, "<=");
-    }
-}
-
 function clickAtCoordinates(x, y)
 {
     eventSender.mouseMoveTo(x, y);
     eventSender.mouseDown();
     eventSender.mouseUp();
 }
 
-function clickCCButton()
-{
-    consoleWrite("*** Click the CC button.");
-    clickAtCoordinates(captionsButtonCoordinates[0], captionsButtonCoordinates[1]);
-}
-
 function textTrackListItemAtIndex(video, index)
 {
     var textTrackListElementID = "-internal-media-controls-text-track-list";
     var textTrackListElement = mediaControlsElement(internals.shadowRoot(video).firstChild, textTrackListElementID);
     if (!textTrackListElement)
         throw "Failed to find text track list element";
 
     var trackListItems = textTrackListElement.childNodes;
     for (var i = 0; i < trackListItems.length; i++) {
         var trackListItem = trackListItems[i];
         if (trackListItem.firstChild.getAttribute("data-track-index") == index)
             return trackListItem;
     }
 }
 
-function selectTextTrack(video, index)
-{
-    clickCCButton();
-    var trackListItemElement = textTrackListItemAtIndex(video, index);
-    var trackListItemCoordinates = elementCoordinates(trackListItemElement);
-    clickAtCoordinates(trackListItemCoordinates[0], trackListItemCoordinates[1]);
-}
-
 function clickTextTrackAtIndex(video, index)
 {
     var captionsButtonCoordinates = mediaControlsButtonCoordinates(video, "toggle-closed-captions-button");
     clickAtCoordinates(captionsButtonCoordinates[0], captionsButtonCoordinates[1]);
     var trackListItemElement = textTrackListItemAtIndex(video, index);
     var trackListItemCoordinates = elementCoordinates(trackListItemElement);
     clickAtCoordinates(trackListItemCoordinates[0], trackListItemCoordinates[1]);
 }
 
 function turnClosedCaptionsOff(video)
 {
     clickTextTrackAtIndex(video, -1);
 }
 
 function runAfterHideMediaControlsTimerFired(func, mediaElement)
 {
     if (mediaElement.paused)
         throw "The media element is not playing";
 
     // 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);
 }