Move callback and host port args into Start method

chrome/browser/local_discovery/privet_local_printer_lister.cc

Index: chrome/browser/local_discovery/privet_local_printer_lister.cc
diff --git a/chrome/browser/local_discovery/privet_local_printer_lister.cc b/chrome/browser/local_discovery/privet_local_printer_lister.cc
index ef5ebc26a2b5a0b8677ecabca7312116b6aef589..b2460ad9095e896a203f4220fe56b069eb73c777 100644
--- a/chrome/browser/local_discovery/privet_local_printer_lister.cc
+++ b/chrome/browser/local_discovery/privet_local_printer_lister.cc
@@ -63,14 +63,12 @@ void PrivetLocalPrinterLister::DeviceChanged(
     linked_ptr<DeviceContext> context(new DeviceContext);
     context->has_local_printing = false;
     context->description = description;
-    context->privet_resolution = privet_http_factory_->CreatePrivetHTTP(
-        name,
+    context->privet_resolution = privet_http_factory_->CreatePrivetHTTP(name);
+    device_contexts_[name] = context;
+    context->privet_resolution->Start(
         description.address,
         base::Bind(&PrivetLocalPrinterLister::OnPrivetResolved,
                    base::Unretained(this), name));
-
-    device_contexts_[name] = context;
-    context->privet_resolution->Start();
   }
 }