Restrict extensionview to chrome-extension://

extensions/renderer/resources/guest_view/extension_view_events.js

+// Copyright 2015 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.
+
+// Event management for ExtensionView.
+
+var EventBindings = require('event_bindings');
+
+var CreateEvent = function(name) {
+  var eventOpts = {supportsListeners: true, supportsFilters: true};
+  return new EventBindings.Event(name, undefined, eventOpts);
+};
+
+var EXTENSION_VIEW_EVENTS = {
+  'loadcommit': {
+    handler: function(event) {
+      ExtensionViewEvents.prototype.handleLoadCommitEvent.call(this, event);
+    },
+    evt: CreateEvent('extensionViewInternal.onLoadCommit'),
+  }
+};
+
+// Constructor.
+function ExtensionViewEvents(extensionViewImpl, viewInstanceId) {
+  this.extensionViewImpl = extensionViewImpl;
+  this.viewInstanceId = viewInstanceId;
+
+  // Set up the events.
+  var events = this.getEvents();
+  for (var eventName in events) {
+    this.setupEvent(eventName, events[eventName]);
+  }
+}
+
+ExtensionViewEvents.prototype.getEvents = function() {
+  return EXTENSION_VIEW_EVENTS;
+};
+
+ExtensionViewEvents.prototype.setupEvent = function(name, info) {
+  info.evt.addListener(function(e) {
+    if (info.handler)
+      info.handler.call(this, e);
+  }.bind(this), {instanceId: this.viewInstanceId});
+};
+
+ExtensionViewEvents.prototype.handleLoadCommitEvent = function(event) {
+  this.extensionViewImpl.onLoadCommit(event.url);
+};
+
+exports.ExtensionViewEvents = ExtensionViewEvents;