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

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 experimental.webRequest API.
+// Custom bindings for the declarativeWebRequest API.
 
 var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
 
-chromeHidden.registerCustomHook('experimental.webRequest', function(api) {
+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 === 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
+  // {'instanceType': 'declarativeWebRequest.' + 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);
+    instance.instanceType = 'declarativeWebRequest.' + typeId;
+    var schema = getSchema('declarativeWebRequest', typeId);
     chromeHidden.validate([instance], [schema]);
   }
 
   // Setup all data types for the declarative webRequest API.
-  chrome.experimental.webRequest.RequestMatcher = function(parameters) {
+  chrome.declarativeWebRequest.RequestMatcher = function(parameters) {
     setupInstance(this, parameters, 'RequestMatcher');
   };
-  chrome.experimental.webRequest.CancelRequest = function(parameters) {
+  chrome.declarativeWebRequest.CancelRequest = function(parameters) {
     setupInstance(this, parameters, 'CancelRequest');
   };
-  chrome.experimental.webRequest.RedirectRequest = function(parameters) {
+  chrome.declarativeWebRequest.RedirectRequest = function(parameters) {
     setupInstance(this, parameters, 'RedirectRequest');
   };
 });