CHECK that URLRequestJobs are not orphaned while blocked by extensions.

net/base/network_delegate_impl.cc

Index: net/base/network_delegate_impl.cc
diff --git a/net/base/network_delegate_impl.cc b/net/base/network_delegate_impl.cc
index e19156a95e1964cf96489ffa11a7ee0700a6c31b..3cc8c2196c965dbd52e42ffcfdbff05448c95d01 100644
--- a/net/base/network_delegate_impl.cc
+++ b/net/base/network_delegate_impl.cc
@@ -65,6 +65,8 @@ void NetworkDelegateImpl::OnCompleted(URLRequest* request, bool started) {
 void NetworkDelegateImpl::OnURLRequestDestroyed(URLRequest* request) {
 }
 
+void NetworkDelegateImpl::OnURLRequestJobOrphaned(URLRequest* request) {}
+
 void NetworkDelegateImpl::OnPACScriptError(int line_number,
                                            const base::string16& error) {
 }