void requestFolderChange(long folderId) {
   mContext.sendBroadcast(
       new Intent(getChangeFolderAction(mContext))
           .setClass(mContext, BookmarkWidgetProxy.class)
           .putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, mWidgetId)
           .putExtra(BookmarkColumns._ID, folderId));
 }
 void refreshWidget() {
   mContext.sendBroadcast(
       new Intent(
               BookmarkThumbnailWidgetProviderBase.getBookmarkAppWidgetUpdateAction(mContext),
               null,
               mContext,
               BookmarkThumbnailWidgetProvider.class)
           .putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, mWidgetId));
 }