[filemanager] Importing progress implemented.

chrome/browser/resources/file_manager/js/file_manager_commands.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.
 
 var CommandUtil = {};
 
 /**
  * Extracts root on which command event was dispatched.
  *
  * @param {Event} event Command event for which to retrieve root to operate on.
@@ skipping 103 matching lines @@
 };
 
 /**
  * Imports photos from external drive
  */
 Commands.importCommand = {
   execute: function(event, rootsList) {
     var root = CommandUtil.getCommandRoot(event, rootsList);
 
     if (root) {
-      chrome.tabs.create({url: chrome.extension.getURL('photo_import.html') +
-          '#' + PathUtil.getRootPath(root.fullPath)});
+      chrome.windows.create({url: chrome.extension.getURL('photo_import.html') +
+          '#' + PathUtil.getRootPath(root.fullPath), type: 'popup'});
     }
   },
   canExecute: function(event, rootsList) {
     event.canExecute =
         (CommandUtil.getCommandRootType(event, rootsList) != RootType.GDATA);
   }
 };
 
 /**
  * Initiates new folder creation.
@@ skipping 101 matching lines @@
           function(task) {
             this.selection.tasks.execute(task.taskId);
           }.bind(fileManager));
     }
   },
   canExecute: function(event, fileManager) {
     event.canExecute = fileManager.selection.tasks &&
                        fileManager.selection.tasks.size() > 1;
   }
 };