Bug 1443110: Add NullCheck for loadinfo within InitCSP. r=smaug

--HG--
extra : rebase_source : b2094c7185a76ada87cf4b3f9efd3359a1866438

dom/base/nsDocument.cpp

@@ -2939,7 +2939,7 @@ nsDocument::InitCSP(nsIChannel* aChannel)
   // In case this channel was instrument to discard the CSP, then
   // there is nothing for us to do here.
   nsCOMPtr<nsILoadInfo> loadInfo = aChannel->GetLoadInfo();
-  if (loadInfo->GetAllowDocumentToBeAgnosticToCSP()) {
+  if (loadInfo && loadInfo->GetAllowDocumentToBeAgnosticToCSP()) {
     return NS_OK;
   }