Added the infrastructure for surfaceProxy.onResize() and SurfaceView.onResize()

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');
 
 function GuestViewContainer(element, viewType) {
   privates(element).internal = this;
   this.element = element;
   this.elementAttached = false;
   this.guest = new GuestView(viewType);
   this.viewInstanceId = IdGenerator.GetNextId();
   this.viewType = viewType;
 
@@ skipping 71 matching lines @@
                     this.buildAttachParams());
   return true;
 };
 
 GuestViewContainer.prototype.handleBrowserPluginAttributeMutation =
     function(name, oldValue, newValue) {
   if (name == 'internalinstanceid' && !oldValue && !!newValue) {
     privates(this).browserPluginElement.removeAttribute('internalinstanceid');
     this.internalInstanceId = parseInt(newValue);
 
+    // Track when the element resizes using the element resize callback.
+    GuestViewInternalNatives.RegisterElementResizeCallback(
+        this.internalInstanceId, this.onElementResize.bind(this));
+
     if (!this.guest.getId()) {
       return;
     }
     this.guest.attach(this.internalInstanceId,
                       this.viewInstanceId,
                       this.buildAttachParams());
   }
 };
 
 // Implemented by the specific view type, if needed.
 GuestViewContainer.prototype.buildAttachParams = function() { return {}; };
 GuestViewContainer.prototype.handleAttributeMutation = function() {};
 GuestViewContainer.prototype.onElementAttached = function() {};
 GuestViewContainer.prototype.onElementDetached = function() {
   this.guest.destroy();
 };
+GuestViewContainer.prototype.onElementResize = function(oldWidth, oldHeight,
+                                                        newWidth, newHeight) {};
 
 // Registers the browser plugin <object> custom element. |viewType| is the
 // name of the specific guestview container (e.g. 'webview').
 function registerBrowserPluginElement(viewType) {
   var proto = Object.create(HTMLObjectElement.prototype);
 
   proto.createdCallback = function() {
     this.setAttribute('type', 'application/browser-plugin');
     this.setAttribute('id', 'browser-plugin-' + IdGenerator.GetNextId());
     this.style.width = '100%';
@@ skipping 73 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;