From d7b6c6eab52e6a2054d4e786e31b7bb662c10615 Mon Sep 17 00:00:00 2001
From: "fsamuel@chromium.org"
 <fsamuel@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Fri, 10 Jan 2014 22:46:14 +0000
Subject: <webview>: Fix Javascript error on attributeChanged callback

Modifying attributes on webview prior to attaching the internal_ to <webview>
would throw a javascript error. This CL addresses this.

BUG=333302

Review URL: https://codereview.chromium.org/134393002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244270 0039d316-1c4b-4281-b951-d872f2087c98
---
 chrome/renderer/resources/extensions/web_view.js | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'chrome/renderer')

diff --git a/chrome/renderer/resources/extensions/web_view.js b/chrome/renderer/resources/extensions/web_view.js
index f9db94f..f8ae2cb 100644
--- a/chrome/renderer/resources/extensions/web_view.js
+++ b/chrome/renderer/resources/extensions/web_view.js
@@ -958,6 +958,9 @@ function registerWebViewElement() {
   };
 
   proto.attributeChangedCallback = function(name, oldValue, newValue) {
+    if (!this.internal_) {
+      return;
+    }
     var internal = this.internal_(secret);
     internal.handleWebviewAttributeMutation_(name, oldValue, newValue);
   };
-- 
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