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Bug 749624 - Check to make sure BrowserApp.selectedTab isn't null. r=mfinkle
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@ -4748,8 +4748,9 @@ var ActivityObserver = {
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break;
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}
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if (BrowserApp.selectedTab.getActive() != isForeground) {
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BrowserApp.selectedTab.setActive(isForeground);
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let tab = BrowserApp.selectedTab;
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if (tab && tab.getActive() != isForeground) {
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tab.setActive(isForeground);
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}
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}
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};
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