Revert 137388 - Move declarative API into events API

chrome/renderer/resources/extensions/utils.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.
-
-function forEach(dict, f) {
-  for (key in dict) {
-    if (dict.hasOwnProperty(key))
-      f(key, dict[key]);
-  }
-}
-
-// Assuming |array_of_dictionaries| is structured like this:
-// [{id: 1, ... }, {id: 2, ...}, ...], you can use
-// lookup(array_of_dictionaries, 'id', 2) to get the dictionary with id == 2.
-function lookup(array_of_dictionaries, field, value) {
-  var filter = function (dict) {return dict[field] == value;};
-  var matches = array_of_dictionaries.filter(filter);
-  if (matches.length == 0) {
-    return undefined;
-  } else if (matches.length == 1) {
-    return matches[0]
-  } else {
-    throw new Error("Failed lookup of field '" + field + "' with value '" +
-                    value + "'");
-  }
-}
-
-exports.forEach = forEach;
-exports.lookup = lookup;