Video Player: Add a test to open a single video file

chrome/test/data/extensions/api_test/file_manager_browsertest/gallery/test_loader.js

Index: chrome/test/data/extensions/api_test/file_manager_browsertest/gallery/test_loader.js
diff --git a/chrome/test/data/extensions/api_test/file_manager_browsertest/gallery/test_loader.js b/chrome/test/data/extensions/api_test/file_manager_browsertest/gallery/test_loader.js
deleted file mode 100644
index a9bd8345e67ddf9dad5da1c6f555635a7a38107d..0000000000000000000000000000000000000000
--- a/chrome/test/data/extensions/api_test/file_manager_browsertest/gallery/test_loader.js
+++ /dev/null
@@ -1,55 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-'use strict';
-
-/**
- * Loads a test script from URL.
- * @param {string} url URL of a script file.
- * @return {Promise} Promise to be fulfilled when completing to load.
- */
-function loadScript(url) {
-  return new Promise(function(fulfill, reject) {
-    var script = document.createElement('script');
-    script.src = url;
-    // Ensure the scripts are loaded in the order of calling loadScript.
-    script.async = false;
-    script.onload = fulfill;
-    script.onerror = reject.bind(null, 'Faile to load ' + url);
-    document.documentElement.appendChild(script);
-  });
-}
-
-var testUtilPromise = loadScript(
-    'chrome-extension:///ejhcmmdhhpdhhgmifplfmjobgegbibkn/test_util.js');
-
-testUtilPromise.then(function() {
-  var inGuestModePromise = sendTestMessage({name: 'isInGuestMode'});
-  var testNamePromise = sendTestMessage({name: 'getTestName'});
-  var scriptsPromise = sendTestMessage({name: 'getScripts'});
-  Promise.all([inGuestModePromise, testNamePromise, scriptsPromise]).then(
-      function(args) {
-        // Do nothing if the guest mode is different.
-        if (JSON.parse(args[0]) !== chrome.extension.inIncognitoContext)
-          return;
-        var scripts = JSON.parse(args[2]);
-        return Promise.all(scripts.map(loadScript)).then(function() {
-          var testName = args[1];
-          var testCase = function() {
-            var success = chrome.test.callbackPass();
-            Promise.resolve().then(function() {
-              return window[testName]();
-            }).then(function() {
-              success();
-            }, function(error) {
-              chrome.test.fail(error.stack || error);
-            });
-          };
-          testCase.generatedName = testName;
-          chrome.test.runTests([testCase]);
-        });
-      });
-}).catch(function(error) {
-  chrome.test.fail(error.stack || error);
-});