Move Declarative Web Request API out of experimental and make it a feature

chrome/renderer/resources/extensions/experimental.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 experimental.webRequest API.
-
-var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
-
-chromeHidden.registerCustomHook('experimental.webRequest', 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 === typeId;};
-    var resultSchema = apiSchema.types.filter(filterTypeId)[0];
-    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': 'experimental.webRequest.' + typeId} and validates the
-  // generated union dictionary against the schema for |typeId|.
-  function setupInstance(instance, parameters, typeId) {
-    for (var key in parameters) {
-      if (parameters.hasOwnProperty(key)) {
-        instance[key] = parameters[key];
-      }
-    }
-    instance.instanceType = 'experimental.webRequest.' + typeId;
-    var schema = getSchema('experimental.webRequest', typeId);
-    chromeHidden.validate([instance], [schema]);
-  }
-
-  // Setup all data types for the declarative webRequest API.
-  chrome.experimental.webRequest.RequestMatcher = function(parameters) {
-    setupInstance(this, parameters, 'RequestMatcher');
-  };
-  chrome.experimental.webRequest.CancelRequest = function(parameters) {
-    setupInstance(this, parameters, 'CancelRequest');
-  };
-  chrome.experimental.webRequest.RedirectRequest = function(parameters) {
-    setupInstance(this, parameters, 'RedirectRequest');
-  };
-});