commit bf0222961ed34874922c51ba1948439839f8d715 Author: Arthur Edelstein <arthuredelstein@gmail.com> Date: Thu Sep 17 12:46:45 2015 -0700 fixup! Bug #5742: API allows you to get the url bar URI for a channel or nsIDocument. --- dom/base/ThirdPartyUtil.cpp | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/dom/base/ThirdPartyUtil.cpp b/dom/base/ThirdPartyUtil.cpp index e8ec06c..6f0a358 100644 --- a/dom/base/ThirdPartyUtil.cpp +++ b/dom/base/ThirdPartyUtil.cpp @@ -648,13 +648,17 @@ ThirdPartyUtil::GetFirstPartyURIInternal(nsIChannel *aChannel, if (aDoc->GetWindow()) { aDoc->GetWindow()->GetTop(getter_AddRefs(top)); - top->GetDocument(getter_AddRefs(topDDoc)); - - nsCOMPtr<nsIDocument> topDoc(do_QueryInterface(topDDoc)); - docURI = topDoc->GetOriginalURI(); - if (docURI) { - // Give us a mutable URI and also addref - rv = NS_EnsureSafeToReturn(docURI, aOutput); + if (top) { + top->GetDocument(getter_AddRefs(topDDoc)); + + nsCOMPtr<nsIDocument> topDoc(do_QueryInterface(topDDoc)); + if (topDoc) { + docURI = topDoc->GetOriginalURI(); + if (docURI) { + // Give us a mutable URI and also addref + rv = NS_EnsureSafeToReturn(docURI, aOutput); + } + } } } else { // XXX: Chrome callers (such as NoScript) can end up here