stonewareslord/treestyletab
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don't raise "undefined" error

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Piro / SHIMODA Hiroshi 2011-12-10 02:37:41 +09:00
parent 80b64709c7
commit d0dd08f88d
1 changed files with 3 additions and 1 deletions
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4
content/treestyletab/group.js
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@ -134,7 +134,9 @@ function getOwnerTabBrowser()
function getOwnerTab(aWindow)
{
var gBrowser = getOwnerTabBrowser();
return gBrowser && gBrowser.treeStyleTab.getTabFromFrame(aWindow || window);
return gBrowser &&
gBrowser.treeStyleTab &&
gBrowser.treeStyleTab.getTabFromFrame(aWindow || window);
}
function getTabById(aId)