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this fixes #399
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@ -908,6 +908,12 @@ var tabWatcher = (function() {
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var currentBrowser = function() {
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var win = Services.wm.getMostRecentWindow('navigator:browser');
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// https://github.com/gorhill/uBlock/issues/399
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// getTabBrowser() can return null at browser launch time.
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var tabBrowser = getTabBrowser(win);
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if ( tabBrowser === null ) {
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return null;
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}
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return browserFromTarget(getTabBrowser(win).selectedTab);
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};
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