Files.app: Fix TaskController so that it calls correct default task.

ui/file_manager/file_manager/foreground/js/task_controller_unittest.js

Index: ui/file_manager/file_manager/foreground/js/task_controller_unittest.js
diff --git a/ui/file_manager/file_manager/foreground/js/task_controller_unittest.js b/ui/file_manager/file_manager/foreground/js/task_controller_unittest.js
new file mode 100644
index 0000000000000000000000000000000000000000..afe116b7045ab0d828d1513e1bfbf4db8c58873b
--- /dev/null
+++ b/ui/file_manager/file_manager/foreground/js/task_controller_unittest.js
@@ -0,0 +1,58 @@
+// 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.
+
+window.chrome = {
+  fileManagerPrivate: {
+    getFileTasks: function(entries, callback) {
+      setTimeout(callback.bind(null, [
+        {taskId:'handler-extension-id|file|open', isDefault: false},
+        {taskId:'handler-extension-id|file|play', isDefault: true}
+      ]), 0);
+    }
+  },
+  runtime: {id: 'test-extension-id'}
+};
+
+window.metrics = {
+  recordEnum: function() {}
+};
+
+function testDoEntryAction(callback) {
+  cr.ui.decorate('command', cr.ui.Command);
+  var fileSystem = new MockFileSystem('volumeId');
+  fileSystem.entries['/test.png'] =
+      new MockFileEntry(fileSystem, '/test.png', {});
+  var metadataCache = new MockMetadataCache();
+  metadataCache.setForTest(fileSystem.entries['/test.png'], 'external', {});
+  var controller = new TaskController(
+      DialogType.FULL_PAGE,
+      {
+        taskMenuButton: document.createElement('button'),
+        fileContextMenu: {
+          defaultActionMenuItem: document.createElement('div')
+        }
+      },
+      metadataCache,
+      new cr.EventTarget(),
+      null,
+      function() {
+        return new FileTasks({
+          volumeManager: {
+            getDriveConnectionState: function() {
+              return VolumeManagerCommon.DriveConnectionType.ONLINE;
+            }
+          },
+          isOnDrive: function() {
+            return true;
+          }
+        });
+      });
+
+  controller.doEntryAction(fileSystem.entries['/test.png']);
+  reportPromise(new Promise(function(fulfill) {
+    chrome.fileManagerPrivate.executeTask = fulfill;
+  }).then(function(info) {
+    assertEquals("handler-extension-id|file|play", info);
+  }), callback);
+}