Bug 1307491 - (Part 2) Remove support for per-app-offline in dom/ [nukeb2g] r=baku

MozReview-Commit-ID: DV58awPq98

dom/html/nsHTMLDNSPrefetch.cpp

@@ -97,10 +97,6 @@ nsHTMLDNSPrefetch::Shutdown()
 bool
 nsHTMLDNSPrefetch::IsAllowed (nsIDocument *aDocument)
 {
-  if (NS_IsAppOffline(aDocument->NodePrincipal())) {
-    return false;
-  }
-
   // There is no need to do prefetch on non UI scenarios such as XMLHttpRequest.
   return aDocument->IsDNSPrefetchAllowed() && aDocument->GetWindow();
 }