Move declarative API into events API

chrome/renderer/resources/extensions/declarative_webrequest_custom_bindings.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.
 
 // Custom bindings for the declarativeWebRequest API.
 
 var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
+var utils = require('utils');
 
 chromeHidden.registerCustomHook('declarativeWebRequest', function(api) {
   // Returns the schema definition of type |typeId| defined in |namespace|.
   function getSchema(namespace, typeId) {
-    var filterNamespace = function(val) {return val.namespace === namespace;};
-    var apiSchema = api.apiDefinitions.filter(filterNamespace)[0];
-    var filterTypeId = function (val) {
-      return val.id === namespace + "." + typeId;
-    };
-    var resultSchema = apiSchema.types.filter(filterTypeId)[0];
+    var apiSchema = utils.lookup(api.apiDefinitions, 'namespace', namespace);
+    var resultSchema = utils.lookup(
+        apiSchema.types, 'id', namespace + '.' + typeId);
     return resultSchema;
   }
 
   // Helper function for the constructor of concrete datatypes of the
   // declarative webRequest API.
   // Makes sure that |this| contains the union of parameters and
   // {'instanceType': 'declarativeWebRequest.' + typeId} and validates the
   // generated union dictionary against the schema for |typeId|.
   function setupInstance(instance, parameters, typeId) {
     for (var key in parameters) {
@@ skipping 10 matching lines @@
   chrome.declarativeWebRequest.RequestMatcher = function(parameters) {
     setupInstance(this, parameters, 'RequestMatcher');
   };
   chrome.declarativeWebRequest.CancelRequest = function(parameters) {
     setupInstance(this, parameters, 'CancelRequest');
   };
   chrome.declarativeWebRequest.RedirectRequest = function(parameters) {
     setupInstance(this, parameters, 'RedirectRequest');
   };
 });