GuestView: Move lifetime management out of content

extensions/renderer/resources/web_view_events.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.
 
 // Event management for WebViewInternal.
 
 var DeclarativeWebRequestSchema =
     requireNative('schema_registry').GetSchema('declarativeWebRequest');
 var EventBindings = require('event_bindings');
 var IdGenerator = requireNative('id_generator');
@@ skipping 166 matching lines @@
 // Constructor.
 function WebViewEvents(webViewInternal, viewInstanceId) {
   this.webViewInternal = webViewInternal;
   this.viewInstanceId = viewInstanceId;
   this.setup();
 }
 
 // Sets up events.
 WebViewEvents.prototype.setup = function() {
   this.setupFrameNameChangedEvent();
-  this.setupPluginDestroyedEvent();
   this.setupWebRequestEvents();
   this.webViewInternal.setupExperimentalContextMenus();
 
   var events = this.getEvents();
   for (var eventName in events) {
     this.setupEvent(eventName, events[eventName]);
   }
 };
 
 WebViewEvents.prototype.setupFrameNameChangedEvent = function() {
   FrameNameChangedEvent.addListener(function(e) {
     this.webViewInternal.onFrameNameChanged(e.name);
   }.bind(this), {instanceId: this.viewInstanceId});
 };
 
-WebViewEvents.prototype.setupPluginDestroyedEvent = function() {
-  PluginDestroyedEvent.addListener(function(e) {
-    this.webViewInternal.onPluginDestroyed();
-  }.bind(this), {instanceId: this.viewInstanceId});
-};
-
 WebViewEvents.prototype.setupWebRequestEvents = 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,
@@ skipping 394 matching lines @@
   }
 };
 
 WebViewEvents.prototype.handleSizeChangedEvent = function(
     event, webViewEvent) {
   this.webViewInternal.onSizeChanged(webViewEvent);
 };
 
 exports.WebViewEvents = WebViewEvents;
 exports.CreateEvent = CreateEvent;