Use std::move() instead of .Pass() in remoting/host

remoting/host/host_config.cc

Index: remoting/host/host_config.cc
diff --git a/remoting/host/host_config.cc b/remoting/host/host_config.cc
index 872bb07f1a20f8a67dcc6ba2c52f5d2a40089dd9..f46496200023aaf98eac776820ffb212274a2a09 100644
--- a/remoting/host/host_config.cc
+++ b/remoting/host/host_config.cc
@@ -21,9 +21,7 @@ scoped_ptr<base::DictionaryValue> HostConfigFromJson(
     return nullptr;
   }
 
-  scoped_ptr<base::DictionaryValue> config(
-      static_cast<base::DictionaryValue*>(value.release()));
-  return config.Pass();
+  return make_scoped_ptr(static_cast<base::DictionaryValue*>(value.release()));
 }
 
 std::string HostConfigToJson(const base::DictionaryValue& host_config) {