SetRequestDestructionCallback  324 chrome/browser/net/dns_probe_browsertest.cc   void SetRequestDestructionCallback(const base::Closure& callback);
SetRequestDestructionCallback  413 chrome/browser/net/dns_probe_browsertest.cc   protocol_handler_->SetRequestDestructionCallback(callback);
SetRequestDestructionCallback  563 chrome/browser/net/dns_probe_browsertest.cc       Bind(&DnsProbeBrowserTestIOThreadHelper::SetRequestDestructionCallback,