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Bug 1213633 - Test childDocument prior to use. r=tanvi

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This commit is contained in:
Kate McKinley 2016-01-04 16:37:14 -08:00
parent 4278c0923f
commit a668e24a2d
1 changed files with 4 additions and 1 deletions
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5
dom/security/test/mixedcontentblocker/file_frameNavigation_grandchild.html
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@ -23,7 +23,10 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=840388
// When the page is navigating, it goes through about:blank and we will get a permission denied for loc.
// Catch that specific exception and return
try {
var loc = child.contentDocument.location;
var loc;
if (child.contentDocument) {
loc = child.contentDocument.location;
}
} catch(e) {
if (e.message && e.message.indexOf("Permission denied to access property") == -1) {
// We received an exception we didn't expect.