stonewareslord/treestyletab
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Accept null input by getTabFromFrame().

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This suppresses a crash error reported on https://bugzilla.mozilla.org/show_bug.cgi?id=1098688
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YUKI Hiroshi 2014-11-19 12:25:56 +09:00
parent 3663519efd
commit 66f16dde50
1 changed files with 2 additions and 0 deletions
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modules/base.js
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@ -1112,6 +1112,8 @@ var TreeStyleTabBase = inherit(TreeStyleTabConstants, {
// this is used only for obsolete API call on non-E10S windows // this is used only for obsolete API call on non-E10S windows
getTabFromFrame : function TSTBase_getTabFromFrame(aFrame, aTabBrowser) getTabFromFrame : function TSTBase_getTabFromFrame(aFrame, aTabBrowser)
{ {
if (!aFrame)
return null;
var b = aTabBrowser || this.browser; var b = aTabBrowser || this.browser;
var top = aFrame.top; var top = aFrame.top;
var tabs = this.getAllTabs(b); var tabs = this.getAllTabs(b);