Bug 1317697: Fix reference to undefined property warnings. r?mixedpuppy
MozReview-Commit-ID: vngYhAOgbV
--- a/toolkit/content/widgets/browser.xml
+++ b/toolkit/content/widgets/browser.xml
@@ -385,20 +385,21 @@
return this._webBrowserFind;
]]>
</getter>
</property>
<method name="getTabBrowser">
<body>
<![CDATA[
- var tabBrowser = this.parentNode;
- while (tabBrowser && tabBrowser.localName != "tabbrowser")
- tabBrowser = tabBrowser.parentNode;
- return tabBrowser;
+ for (let node = this.parentNode; node instanceof Element; node = node.parentNode) {
+ if (node.localName == "tabbrowser")
+ return node;
+ }
+ return null;
]]>
</body>
</method>
<field name="_finder">null</field>
<property name="finder" readonly="true">
<getter><