Convert //chrome from scoped_ptr to std::unique_ptr

chrome/tools/service_discovery_sniffer/service_discovery_sniffer.cc

Index: chrome/tools/service_discovery_sniffer/service_discovery_sniffer.cc
diff --git a/chrome/tools/service_discovery_sniffer/service_discovery_sniffer.cc b/chrome/tools/service_discovery_sniffer/service_discovery_sniffer.cc
index e48edb8bb1bf1a0d3024768d84d2af39a616e54d..5d51f58736c7165a5649311f56414fd4aee76bb0 100644
--- a/chrome/tools/service_discovery_sniffer/service_discovery_sniffer.cc
+++ b/chrome/tools/service_discovery_sniffer/service_discovery_sniffer.cc
@@ -2,14 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "chrome/tools/service_discovery_sniffer/service_discovery_sniffer.h"
+
+#include <memory>
 #include <vector>
 
 #include "base/at_exit.h"
 #include "base/bind.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "chrome/browser/local_discovery/service_discovery_client_impl.h"
-#include "chrome/tools/service_discovery_sniffer/service_discovery_sniffer.h"
 #include "net/dns/mdns_client.h"
 
 namespace local_discovery {
@@ -102,11 +103,13 @@ int main(int argc, char** argv) {
     return 1;
   }
 
-  scoped_ptr<net::MDnsClient> mdns_client = net::MDnsClient::CreateDefault();
-  scoped_ptr<net::MDnsSocketFactory> socket_factory =
+  std::unique_ptr<net::MDnsClient> mdns_client =
+      net::MDnsClient::CreateDefault();
+  std::unique_ptr<net::MDnsSocketFactory> socket_factory =
       net::MDnsSocketFactory::CreateDefault();
   mdns_client->StartListening(socket_factory.get());
-  scoped_ptr<local_discovery::ServiceDiscoveryClient> service_discovery_client;
+  std::unique_ptr<local_discovery::ServiceDiscoveryClient>
+      service_discovery_client;
   service_discovery_client.reset(
       new local_discovery::ServiceDiscoveryClientImpl(mdns_client.get()));
   {