Move BrowserPluginDelegate's lifetime mgmt out of content/

extensions/renderer/resources/guest_view/guest_view_container.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 the shared functionality for different guestview
 // containers, such as web_view, app_view, etc.
 
 var DocumentNatives = requireNative('document_natives');
 var GuestView = require('guestView').GuestView;
 var GuestViewInternalNatives = requireNative('guest_view_internal');
 var IdGenerator = requireNative('id_generator');
+var MessagingNatives = requireNative('messaging_natives');
 
 function GuestViewContainer(element, viewType) {
   privates(element).internal = this;
   this.attributes = {};
   this.element = element;
   this.elementAttached = false;
   this.viewInstanceId = IdGenerator.GetNextId();
   this.viewType = viewType;
 
   this.setupGuestProperty();
@@ skipping 93 matching lines @@
   if (!this.internalInstanceId) {
     return true;
   }
 
   this.guest.attach(this.internalInstanceId,
                     this.viewInstanceId,
                     this.buildParams());
   return true;
 };
 
+GuestViewContainer.prototype.makeGCOwnContainer = function(internalInstanceId) {
+  MessagingNatives.BindToGC(this, function() {
+    GuestViewInternalNatives.DestroyContainer(internalInstanceId);
+  }, -1);
+};
+
 GuestViewContainer.prototype.handleBrowserPluginAttributeMutation =
     function(name, oldValue, newValue) {
   if (name == 'internalinstanceid' && !oldValue && !!newValue) {
     privates(this).browserPluginElement.removeAttribute('internalinstanceid');
     this.internalInstanceId = parseInt(newValue);
 
+    this.makeGCOwnContainer(this.internalInstanceId);
+
     // Track when the element resizes using the element resize callback.
     GuestViewInternalNatives.RegisterElementResizeCallback(
         this.internalInstanceId, this.weakWrapper(this.onElementResize));
 
     if (!this.guest.getId()) {
       return;
     }
     this.guest.attach(this.internalInstanceId,
                       this.viewInstanceId,
                       this.buildParams());
@@ skipping 133 matching lines @@
   // Delete the callbacks so developers cannot call them and produce unexpected
   // behavior.
   delete proto.createdCallback;
   delete proto.attachedCallback;
   delete proto.detachedCallback;
   delete proto.attributeChangedCallback;
 }
 
 // Exports.
 exports.GuestViewContainer = GuestViewContainer;