Add verbs API to file handlers. Modify the Chrome OS UI so that it displayes the internationalized …

chrome/common/extensions/api/file_manager_private.idl

 // Copyright 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.
 
 // fileManagerPrivate API.
 // This is a private API used by the file browser of ChromeOS.
 [platforms=("chromeos"),
  implemented_in="chrome/browser/chromeos/extensions/file_manager/file_manager_private_api_functions.h"]
 namespace fileManagerPrivate {
 // Type of the mounted volume.
@@ skipping 166 matching lines @@
 };
 
 // Source of the volume data.
 enum Source {
   file,
   device,
   network,
   system
 };
 
+// File handler verbs used to describe the action that an extension performs
+// over a file or directory.
+enum Verb {
+  open_with,
+  add_to,
+  pack_with
+};
+
 // A file task represents an action that the file manager can perform over the
 // currently selected files. See
 // chrome/browser/chromeos/extensions/file_manager/file_tasks.h for details
 // about how file tasks are handled.
 dictionary FileTask {
   // The unique identifier of the task.
   DOMString taskId;
 
   // Task title (ex. App name).
   DOMString title;
 
+  // Task verb (ex. Open With). Can be empty string in case of no verb

[Devlin, 2016/05/20 21:08:16]

It can't be empty anymore, right?  It could just be omitted (which is already
indicated by the '?').  Also, the first part doesn't really tell much about how
it will be used.  Maybe add something like "The verb that will be used to
indicate what action the app will take" or something?

[cmihail, 2016/05/23 02:46:13]

Done. Though instead of empy, I did use Verb::VERB_NONE for the
FileBrowserHandler. Seems this is a default created value in the enum.

+  // (i.e. for FileBrowserHandler).
+  Verb? verb;
+
   // Task icon url (from chrome://extension-icon/...)
   DOMString iconUrl;
 
   // True if this task is a default task for the selected files.
   boolean isDefault;
 
   // True if this task is from generic file handler. Generic file handler is a
   // file handler which handles any type of files (e.g. extensions: ["*"],
   // types: ["*/*"]). Partial wild card (e.g. types: ["image/*"]) is not
   // generic file handler.
@@ skipping 761 matching lines @@
 
   static void onPreferencesChanged();
 
   static void onDriveConnectionStatusChanged();
 
   static void onDeviceChanged(DeviceEvent event);
 
   static void onDriveSyncError(DriveSyncErrorEvent event);
 };
 };