Backed out 3 changesets (bug 1563313) for causing various xpcshell tests to perma fail CLOSED TREE

Backed out changeset 55ecf0dacd00 (bug 1563313)
Backed out changeset 624d3e47b069 (bug 1563313)
Backed out changeset 5c7df32d9028 (bug 1563313)

netwerk/base/nsProtocolProxyService.cpp

@@ -533,6 +533,7 @@ nsAsyncResolveRequest::AsyncApplyFilters::OnProxyFilterResult(
   }
 
   mFilterCalledBack = true;
+  mProxyInfo = aProxyInfo;
 
   if (mProcessingInLoop) {
     // No need to call/dispatch ProcessNextFilter(), we are in a control
@@ -547,8 +548,6 @@ nsAsyncResolveRequest::AsyncApplyFilters::OnProxyFilterResult(
     return NS_OK;
   }
 
-  mProxyInfo = aProxyInfo;
-
   if (mNextFilterIndex == mFiltersCopy.Length()) {
     // We are done, all filters have been called on!
     Finish();