Ignore MediaController in the video fullscreen button logic

LayoutTests/media/video-controls-fullscreen.js

+"use strict";
+
+function fullscreen_test(controller, fullScreenEnabled)
+{
+    if (window.internals)
+        window.internals.settings.setFullScreenEnabled(fullScreenEnabled);
+
+    async_test(function(t)
+    {
+        var v1 = document.createElement("video");
+        var v2 = document.createElement("video");
+        v1.controls = v2.controls = true;
+        v1.controller = v2.controller = controller;
+        v1.src = findMediaFile("video", "content/test");
+        v2.src = findMediaFile("audio", "content/test");
+        document.body.appendChild(v1);
+        document.body.appendChild(v2);
+
+        // load event fires when both video elements are ready
+        window.addEventListener("load", t.step_func(function()
+        {
+            function assert_button_hidden(elm)
+            {
+                assert_array_equals(mediaControlsButtonDimensions(elm, "fullscreen-button"), [0, 0]);
+            }
+
+            // no fullscreen button for a video element with no video track
+            assert_button_hidden(v2);
+
+            if (fullScreenEnabled) {
+                // click the fullscreen button
+                var coords = mediaControlsButtonCoordinates(v1, "fullscreen-button");
+                eventSender.mouseMoveTo(coords[0], coords[1]);
+                eventSender.mouseDown();
+                eventSender.mouseUp();
+                // wait for the fullscreenchange event
+            } else {
+                // no fullscreen button when fullscreen is disabled
+                assert_button_hidden(v1);
+                t.done();
+            }
+        }));
+
+        v1.addEventListener("webkitfullscreenchange", t.step_func(function()
+        {
+            t.done();
+        }));
+
+        v2.addEventListener("webkitfullscreenchange", t.step_func(function()
+        {
+            assert_unreached();
+        }));
+    });
+}