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Fix reference to undefined property warnings in toolkit's browser.xml.

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wolfbeast 2018-10-21 00:05:05 +02:00 • committed by Roy Tam
commit 5345ccd8b6
1 changed files with 5 additions and 4 deletions
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9
toolkit/content/widgets/browser.xml
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@ -389,10 +389,11 @@
<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>