Implemented explicit resizing from guestview.

extensions/renderer/resources/guest_view/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.
 
 // This module implements WebView (<webview>) as a custom element that wraps a
 // BrowserPlugin object element. The object element is hidden within
 // the shadow DOM of the WebView element.
 
 var DocumentNatives = requireNative('document_natives');
 var GuestView = require('guestView').GuestView;
@@ skipping 197 matching lines @@
   var newValue = url;
   if (isTopLevel && (oldValue != newValue)) {
     // Touching the src attribute triggers a navigation. To avoid
     // triggering a page reload on every guest-initiated navigation,
     // we do not handle this mutation.
     this.attributes[WebViewConstants.ATTRIBUTE_SRC].setValueIgnoreMutation(
         newValue);
   }
 };
 
+WebViewImpl.prototype.setSize = function(params) {

[Fady Samuel, 2015/01/12 23:16:40]

This is fine for testing for let's not expose this.

[paulmeyer, 2015/01/12 23:25:19]

Done.

+  this.guest.setSize(params);
+};
+
 WebViewImpl.prototype.onAttach = function(storagePartitionId) {
   this.attributes[WebViewConstants.ATTRIBUTE_PARTITION].setValue(
       storagePartitionId);
 };
 
 WebViewImpl.prototype.buildAttachParams = function() {
   var params = { 'userAgentOverride': this.userAgentOverride };
   for (var i in this.attributes) {
     params[i] = this.attributes[i].getValue();
   }
@@ skipping 40 matching lines @@
 WebViewImpl.prototype.setupExperimentalContextMenus = function() {};
 WebViewImpl.prototype.maybeSetupExperimentalChromeWebViewEvents =
   function(request) {
     return request;
 };
 
 GuestViewContainer.registerElement(WebViewImpl);
 
 // Exports.
 exports.WebViewImpl = WebViewImpl;