chrome-bookmarks-cleaner.js

function dumpBookmarks(query) {
  var bookmarkTreeNodes = chrome.bookmarks.getTree(
    function(bookmarkTreeNodes) {
      var i;
      var badOnes = bookmarkTreeNodes[0].children[0].children;
      for (i = 0; i < badOnes.length; i++) {
        var badOne = badOnes[i];
        if (badOne.title) {
          if (query && !badOne.children) {
            if (String(badOne.title).indexOf(query) != -1) {
              chrome.bookmarks.remove(String(badOne.id));
            }
          }
        }
      }
    });
}