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Bug 1186346 - Add a null-check for content to avoid a JS error in tab-content.js when pages disappear quickly, r=gijs

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Giovanny Andres Gongora Granada 2015-08-09 20:20:00 +01:00
parent 14e3a5c944
commit 557f40f1a8
1 changed files with 3 additions and 0 deletions
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3
browser/base/content/tab-content.js
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@ -286,6 +286,9 @@ let AboutReaderListener = {
},
get isAboutReader() {
if (!content) {
return false;
}
return content.document.documentURI.startsWith("about:reader");
},