[FileBrowser] Added newfolder button.

chrome/browser/resources/file_manager/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.
 
 /**
  * FileManager constructor.
  *
  * FileManager objects encapsulate the functionality of the file selector
  * dialogs, as well as the full screen file manager application (though the
  * latter is not yet implemented).
@@ skipping 652 matching lines @@
     this.filePopup_ = null;
 
     this.dialogDom_.querySelector('#search-box').addEventListener(
         'input', this.onSearchBoxUpdate_.bind(this));
 
     this.defaultActionMenuItem_ =
         this.dialogDom_.querySelector('#default-action');
     this.defaultActionMenuItem_.addEventListener('activate',
         this.dispatchSelectionAction_.bind(this));
 
+    this.dialogDom_.querySelector('#new-folder').addEventListener('click',
+      this.onNewFolderCommand_.bind(this));
+
     this.fileTypeSelector_ = this.dialogDom_.querySelector('#file-type');
     this.initFileTypeFilter_();
     // Populate the static localized strings.
     i18nTemplate.process(this.document_, loadTimeData);
   };
 
   FileManager.prototype.onBreadcrumbClick_ = function(event) {
     this.directoryModel_.changeDirectory(event.path);
   };
 
@@ skipping 1366 matching lines @@
                                  null /* callback */, box);
       }
     }
   };
 
   /**
    * Restore the item which is being renamed while refreshing the file list. Do
    * nothing if no item is being renamed or such an item disappeared.
    *
    * While refreshing file list it gets repopulated with new file entries.
-   * There is not a big difference wether DOM items stay the same or not.
+   * There is not a big difference whether DOM items stay the same or not.
    * Except for the item that the user is renaming.
    */
   FileManager.prototype.restoreItemBeingRenamed_ = function() {
     if (!this.isRenamingInProgress())
       return;
 
     var dm = this.directoryModel_;
     var leadIndex = dm.getFileListSelection().leadIndex;
     if (leadIndex < 0)
       return;
@@ skipping 2122 matching lines @@
     }
 
     var defaultActionSeparator =
         this.dialogDom_.querySelector('#default-action-separator');
 
     this.defaultActionMenuItem_.hidden = !taskItem;
     defaultActionSeparator.hidden = !taskItem;
   }
 })();