Add a TaskQueue.

chrome/browser/chromeos/file_manager/file_manager_jstest.cc

Index: chrome/browser/chromeos/file_manager/file_manager_jstest.cc
diff --git a/chrome/browser/chromeos/file_manager/file_manager_jstest.cc b/chrome/browser/chromeos/file_manager/file_manager_jstest.cc
index 4e7cd9b3b2aa1158103036eeb06c08eedb8d7f24..8ec25561294bcb0327ebd0a729d072a969062f70 100644
--- a/chrome/browser/chromeos/file_manager/file_manager_jstest.cc
+++ b/chrome/browser/chromeos/file_manager/file_manager_jstest.cc
@@ -93,3 +93,8 @@ IN_PROC_BROWSER_TEST_F(FileManagerJsTest, MediaImportHandlerTest) {
   RunTest(base::FilePath(
       FILE_PATH_LITERAL("background/js/media_import_handler_unittest.html")));
 }
+
+IN_PROC_BROWSER_TEST_F(FileManagerJsTest, TaskQueueTest) {
+  RunTest(base::FilePath(
+      FILE_PATH_LITERAL("background/js/task_queue_unittest.html")));
+}