<webview>: Implement declarativeWebRequest API

chrome/renderer/resources/extensions/web_view.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.
 
 // Shim that simulates a <webview> tag via Mutation Observers.
 //
 // The actual tag is implemented via the browser plugin. The internals of this
 // are hidden via Shadow DOM.
 
 'use strict';
 
 var DocumentNatives = requireNative('document_natives');
 var EventBindings = require('event_bindings');
+var IdGenerator = requireNative('id_generator');
 var MessagingNatives = requireNative('messaging_natives');
 var WebRequestEvent = require('webRequestInternal').WebRequestEvent;
 var WebRequestSchema =
     requireNative('schema_registry').GetSchema('webRequest');
+var DeclarativeWebRequestSchema =
+    requireNative('schema_registry').GetSchema('declarativeWebRequest');
 var WebView = require('binding').Binding.create('webview').generate();
-var idGenerator = requireNative('id_generator');
 
 // This secret enables hiding <webview> private members from the outside scope.
 // Outside of this file, |secret| is inaccessible. The only way to access the
 // <webview> element's internal members is via the |secret|. Since it's only
 // accessible by code here (and in web_view_experimental), only <webview>'s
 // API can access it and not external developers.
 var secret = {};
 
 var WEB_VIEW_ATTRIBUTE_MAXHEIGHT = 'maxheight';
 var WEB_VIEW_ATTRIBUTE_MAXWIDTH = 'maxwidth';
@@ skipping 519 matching lines @@
     node.style.height = webViewEvent.newHeight + 'px';
   }
   node.dispatchEvent(webViewEvent);
 };
 
 /**
  * @private
  */
 WebViewInternal.prototype.setupWebviewNodeEvents_ = function() {
   var self = this;
-  this.viewInstanceId_ = idGenerator.GetNextId();
+  this.viewInstanceId_ = IdGenerator.GetNextId();
   var onInstanceIdAllocated = function(e) {
     var detail = e.detail ? JSON.parse(e.detail) : {};
     self.instanceId_ = detail.windowId;
     var params = {
       'api': 'webview',
       'instanceId': self.viewInstanceId_
     };
     if (self.userAgentOverride_) {
       params['userAgentOverride'] = self.userAgentOverride_;
     }
@@ skipping 294 matching lines @@
 WebViewInternal.prototype.setupWebRequestEvents_ = function() {
   var self = this;
   var request = {};
   var createWebRequestEvent = function(webRequestEvent) {
     return function() {
       if (!self[webRequestEvent.name + '_']) {
         self[webRequestEvent.name + '_'] =
             new WebRequestEvent(
                 'webview.' + webRequestEvent.name,
                 webRequestEvent.parameters,
-                webRequestEvent.extraParameters, null,
+                webRequestEvent.extraParameters, webRequestEvent.options,
                 self.viewInstanceId_);
       }
       return self[webRequestEvent.name + '_'];
     };
   };
 
+  for (var i = 0; i < DeclarativeWebRequestSchema.events.length; ++i) {
+    var eventSchema = DeclarativeWebRequestSchema.events[i];
+    var webRequestEvent = createWebRequestEvent(eventSchema);
+    this.maybeAttachWebRequestEventToObject_(request,
+                                             eventSchema.name,
+                                             webRequestEvent);
+  }
+
   // 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.maybeAttachWebRequestEventToWebview_(WebRequestSchema.events[i].name,
-                                              webRequestEvent);
+    this.maybeAttachWebRequestEventToObject_(this.webviewNode_,
+                                             WebRequestSchema.events[i].name,
+                                             webRequestEvent);
   }
   Object.defineProperty(
       this.webviewNode_,
       'request',
       {
         value: request,
         enumerable: true,
         writable: false
       }
   );
@@ skipping 112 matching lines @@
 /**
  * Implemented when the experimental API is available.
  * @private
  */
 WebViewInternal.prototype.maybeGetExperimentalEvents_ = function() {};
 
 /**
  * Implemented when the experimental API is available.
  * @private
  */
-WebViewInternal.prototype.maybeAttachWebRequestEventToWebview_ = function() {};
+WebViewInternal.prototype.maybeAttachWebRequestEventToObject_ = function() {};
 
 /**
  * Implemented when the experimental API is available.
  * @private
  */
 WebViewInternal.prototype.maybeGetExperimentalPermissions_ = function() {
   return [];
 };
 
 exports.WebView = WebView;
 exports.WebViewInternal = WebViewInternal;
 exports.CreateEvent = CreateEvent;