Add tests for the video player in Files.app.

chrome/browser/resources/file_manager/js/test_util.js

 // Copyright (c) 2013 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.
 
 /**
  * Namespace for test related things.
  */
 var test = test || {};
 
 /**
@@ skipping 139 matching lines @@
       row.querySelector('.size').textContent,
       row.querySelector('.type').textContent,
       row.querySelector('.date').textContent
     ]);
   }
   fileList.sort();
   return fileList;
 };
 
 /**
+ * Waits until the window is set to the specified dimensions.
+ *
+ * @param {Window} contentWindow Window to be tested.
+ * @param {number} width Requested width.
+ * @param {number} height Requested height.
+ * @param {function(Object)} callback Success callback with the dimensions.
+ */
+test.util.waitForWindowGeometry = function(
+    contentWindow, width, height, callback) {
+  function helper() {
+    if (contentWindow.innerWidth == width &&
+        contentWindow.innerHeight == height) {
+       callback({width: width, height: height});
+       return;
+    }
+    window.setTimeout(helper, 50);
+  }
+  helper();
+};
+
+/**
  * Waits for an element and returns it as an array of it's attributes.
  *
  * @param {Window} contentWindow Window to be tested.
  * @param {string} targetQuery Query to specify the element.
  * @param {?string} iframeQuery Iframe selector or null if no iframe.
  * @param {function(Object)} callback Callback with a hash array of attributes
  *     and contents as text.
  */
 test.util.waitForElement = function(
     contentWindow, targetQuery, iframeQuery, callback) {
@@ skipping 352 matching lines @@
         case 'resizeWindow':
           sendResponse(test.util.resizeWindow(
               contentWindow, request.args[0], request.args[1]));
           return false;
         case 'getSelectedFiles':
           sendResponse(test.util.getSelectedFiles(contentWindow));
           return false;
         case 'getFileList':
           sendResponse(test.util.getFileList(contentWindow));
           return false;
+        case 'waitForWindowGeometry':
+          test.util.waitForWindowGeometry(
+              contentWindow, request.args[0], request.args[1], sendResponse);
+          return true;
         case 'waitForElement':
           test.util.waitForElement(
               contentWindow, request.args[0], request.args[1], sendResponse);
           return true;
         case 'performAutocompleteAndWait':
           test.util.performAutocompleteAndWait(
               contentWindow, request.args[0], request.args[1], sendResponse);
           return true;
         case 'waitForFileListChange':
           test.util.waitForFileListChange(
@@ skipping 37 matching lines @@
         default:
           console.error('Window function ' + request.func + ' not found.');
       }
     }
     return false;
   });
 };
 
 // Register the test utils.
 test.util.registerRemoteTestUtils();