[Files.app] Hide video-player related task menu according to condition

chrome/browser/resources/file_manager/foreground/js/file_manager.js

 // Copyright (c) 2012 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.
 
 'use strict';
 
 /**
  * FileManager constructor.
  *
  * FileManager objects encapsulate the functionality of the file selector
@@ skipping 1564 matching lines @@
     if (this.dialogType === DialogType.FULL_PAGE) {
       // In the FULL_PAGE mode if the restored URL points to a file we might
       // have to invoke a task after selecting it.
       if (this.params_.action === 'select')
         return;
 
       var task = null;
       // Handle restoring after crash, or the gallery action.
       // TODO(mtomasz): Use the gallery action instead of just the gallery
       //     field.
-      if (this.params_.gallery || this.params_.action === 'gallery') {
+      if (this.params_.gallery ||
+          this.params_.action === 'gallery' ||
+          this.params_.action === 'gallery-video') {
         if (!opt_selectionEntry) {
           // Non-existent file or a directory.
           // Reloading while the Gallery is open with empty or multiple
           // selection. Open the Gallery when the directory is scanned.
           task = function() {
             new FileTasks(this, this.params_).openGallery([]);
           }.bind(this);
         } else {
           // The file or the directory exists.
           task = function() {
@@ skipping 2124 matching lines @@
       callback(this.preferences_);
       return;
     }
 
     chrome.fileBrowserPrivate.getPreferences(function(prefs) {
       this.preferences_ = prefs;
       callback(prefs);
     }.bind(this));
   };
 })();