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

chrome/test/data/extensions/api_test/declarative/api/background.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.
 
-var declarative = chrome.experimental.declarative;
+var declarative = chrome.declarative;
 
-var RequestMatcher = chrome.experimental.webRequest.RequestMatcher;
-var CancelRequest = chrome.experimental.webRequest.CancelRequest;
-var RedirectRequest = chrome.experimental.webRequest.RedirectRequest;
+var RequestMatcher = chrome.declarativeWebRequest.RequestMatcher;
+var CancelRequest = chrome.declarativeWebRequest.CancelRequest;
+var RedirectRequest = chrome.declarativeWebRequest.RedirectRequest;
 
 var inputRule0 = {
   // No 'id', this should be filled by the API.
   conditions: [new RequestMatcher({url: {hostPrefix: "test1"}}),
                new RequestMatcher({url: {hostPrefix: "test2"}})],
   actions: [new CancelRequest(),
             new RedirectRequest({redirectUrl: "http://foobar.com"})]
   // No 'priority', this should be filled by the API.
 }
 
@@ skipping 34 matching lines @@
   // "actions" is missing but not optional.
 };
 
 var invalidRule1 = {
   conditions: [new RequestMatcher({url: {hostPrefix: "test1"}})],
   // "actions" contains an invalid action (separate test because this validation
   // happens on a different code path).
   actions: [{key: "value"}]
 };
 
-var testEvent = chrome.experimental.webRequest.onRequest;
+var testEvent = chrome.declarativeWebRequest.onRequest;
 
 chrome.test.runTests([
   // Add adding two simple rules and check that their optional fields are set
   // correctly in the call back function.
   function testAddRules() {
     var callback = function(rules) {
       chrome.test.assertNoLastError();
       chrome.test.assertEq(2, rules.length);
       // API should have generated id and priority fields.
       chrome.test.assertTrue("id" in rules[0]);
@@ skipping 117 matching lines @@
   // on page unload.
   function testAddRules() {
     var callback = function(rules) {
       chrome.test.assertNoLastError();
       chrome.test.assertEq(1, rules.length);
       chrome.test.succeed();
     };
     testEvent.addRules([inputRule0], callback);
   },
   ]);