Allow declarative webrequest and webrequest in extensions.

chrome/renderer/resources/extensions/chrome_web_view.js

 // Copyright 2014 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.
 
 // This module implements chrome-specific <webview> API.
 
 var ChromeWebView = require('chromeWebViewInternal').ChromeWebView;
 var CreateEvent = require('webViewEvents').CreateEvent;
-var DeclarativeWebRequestSchema =
-    requireNative('schema_registry').GetSchema('declarativeWebRequest');
 var EventBindings = require('event_bindings');
-var IdGenerator = requireNative('id_generator');
-var WebRequestEvent = require('webRequestInternal').WebRequestEvent;
-var WebRequestSchema =
-    requireNative('schema_registry').GetSchema('webRequest');
 var WebViewInternal = require('webView').WebViewInternal
 
-var WebRequestMessageEvent = CreateEvent('webViewInternal.onMessage');
-
 var CHROME_WEB_VIEW_EVENTS = {
   'contextmenu': {
     evt: CreateEvent('chromeWebViewInternal.contextmenu'),
     cancelable: true,
     customHandler: function(handler, event, webViewEvent) {
       handler.webViewInternal.maybeHandleContextMenu(event, webViewEvent);
     },
     fields: ['items']
   }
 };
 
-function DeclarativeWebRequestEvent(opt_eventName,
-                                    opt_argSchemas,
-                                    opt_eventOptions,
-                                    opt_webViewInstanceId) {
-  var subEventName = opt_eventName + '/' + IdGenerator.GetNextId();
-  EventBindings.Event.call(this, subEventName, opt_argSchemas, opt_eventOptions,
-      opt_webViewInstanceId);
-
-  // TODO(lazyboy): When do we dispose this listener?
-  WebRequestMessageEvent.addListener(function() {
-    // Re-dispatch to subEvent's listeners.
-    $Function.apply(this.dispatch, this, $Array.slice(arguments));
-  }.bind(this), {instanceId: opt_webViewInstanceId || 0});
-}
-
-DeclarativeWebRequestEvent.prototype = {
-  __proto__: EventBindings.Event.prototype
-};
-
 /**
  * Implemented when the ChromeWebView API is available.
  * @private
  */
 WebViewInternal.prototype.maybeGetChromeWebViewEvents = function() {
   return CHROME_WEB_VIEW_EVENTS;
 };
 
 /**
  * Calls to show contextmenu right away instead of dispatching a 'contextmenu'
  * event.
  * This will be overridden in chrome_web_view_experimental.js to implement
  * contextmenu  API.
  */
 WebViewInternal.prototype.maybeHandleContextMenu = function(e, webViewEvent) {
   var requestId = e.requestId;
   // Setting |params| = undefined will show the context menu unmodified, hence
   // the 'contextmenu' API is disabled for stable channel.
   var params = undefined;
   ChromeWebView.showContextMenu(this.guestInstanceId, requestId, params);
 };
-
-WebViewInternal.prototype.maybeSetupChromeWebViewEvents = function() {
-  var request = {};
-  var createWebRequestEvent = function(webRequestEvent) {
-    return function() {
-      if (!this[webRequestEvent.name]) {
-        this[webRequestEvent.name] =
-            new WebRequestEvent(
-                'webViewInternal.' + webRequestEvent.name,
-                webRequestEvent.parameters,
-                webRequestEvent.extraParameters, webRequestEvent.options,
-                this.viewInstanceId);
-      }
-      return this[webRequestEvent.name];
-    }.bind(this);
-  }.bind(this);
-
-  var createDeclarativeWebRequestEvent = function(webRequestEvent) {
-    return function() {
-      if (!this[webRequestEvent.name]) {
-        // The onMessage event gets a special event type because we want
-        // the listener to fire only for messages targeted for this particular
-        // <webview>.
-        var EventClass = webRequestEvent.name === 'onMessage' ?
-            DeclarativeWebRequestEvent : EventBindings.Event;
-        this[webRequestEvent.name] =
-            new EventClass(
-                'webViewInternal.' + webRequestEvent.name,
-                webRequestEvent.parameters,
-                webRequestEvent.options,
-                this.viewInstanceId);
-      }
-      return this[webRequestEvent.name];
-    }.bind(this);
-  }.bind(this);
-
-  for (var i = 0; i < DeclarativeWebRequestSchema.events.length; ++i) {
-    var eventSchema = DeclarativeWebRequestSchema.events[i];
-    var webRequestEvent = createDeclarativeWebRequestEvent(eventSchema);
-    Object.defineProperty(
-        request,
-        eventSchema.name,
-        {
-          get: webRequestEvent,
-          enumerable: true
-        }
-    );
-  }
-
-  // Populate the WebRequest events from the API definition.
-  for (var i = 0; i < WebRequestSchema.events.length; ++i) {
-    var webRequestEvent = createWebRequestEvent(WebRequestSchema.events[i]);
-    Object.defineProperty(
-        request,
-        WebRequestSchema.events[i].name,
-        {
-          get: webRequestEvent,
-          enumerable: true
-        }
-    );
-  }
-
-  this.setRequestPropertyOnWebViewNode(request);
-};