Files.app Test: check the cast icon in drive volume

chrome/test/data/extensions/api_test/file_manager_browsertest/video_player/test_util.js

Index: chrome/test/data/extensions/api_test/file_manager_browsertest/video_player/test_util.js
diff --git a/chrome/test/data/extensions/api_test/file_manager_browsertest/video_player/test_util.js b/chrome/test/data/extensions/api_test/file_manager_browsertest/video_player/test_util.js
index f8ccbe451bfb4ba34834a3785e71b10187088c28..9684a221e5e6ad725f51a11cccc7af1db6b0a0f6 100644
--- a/chrome/test/data/extensions/api_test/file_manager_browsertest/video_player/test_util.js
+++ b/chrome/test/data/extensions/api_test/file_manager_browsertest/video_player/test_util.js
@@ -37,7 +37,19 @@ function launch(testVolumeName, volumeType, entries, opt_selected) {
       waitForElement(appWindow, '#video-player[first-video][last-video]'),
       waitForElement(appWindow, '.play.media-button[state="playing"]'),
     ]).then(function(args) {
-      return args[0];
+      return [appWindow, args[0]];
     });
   });
 }
+
+/**
+ * Load the mock cast extension to the content page.

[hirono, 2014/08/26 05:59:01]

nit: Loads

[yoshiki, 2014/08/26 06:11:01]

Done.

+ * @param {AppWindow} appWindow The target video player window.
+ */
+function loadMockCastExtesntion(appWindow) {
+  var script = document.createElement('script');
+  script.src =
+      'chrome-extension://ljoplibgfehghmibaoaepfagnmbbfiga/' +
+      'cast_extension_mock/load.js';
+  appWindow.contentWindow.document.body.appendChild(script);
+}