Remove logging::LogAtLevel and rewrite its sole caller.

dbus/object_proxy.cc

Index: dbus/object_proxy.cc
diff --git a/dbus/object_proxy.cc b/dbus/object_proxy.cc
index e7d1f22f16243c2db1a095d2ce19d9a769bc0e03..6c758b9ea9c838b68a3d71c3d116ca516e3cfa1a 100644
--- a/dbus/object_proxy.cc
+++ b/dbus/object_proxy.cc
@@ -565,17 +565,19 @@ void ObjectProxy::LogMethodCallFailure(
   if (ignore_service_unknown_errors_ &&
       (error_name == kErrorServiceUnknown || error_name == kErrorObjectUnknown))
     return;
-  logging::LogSeverity severity = logging::LOG_ERROR;
-  // "UnknownObject" indicates that an object or service is no longer available,
-  // e.g. a Shill network service has gone out of range. Treat these as warnings
-  // not errors.
-  if (error_name == kErrorObjectUnknown)
-    severity = logging::LOG_WARNING;
+
   std::ostringstream msg;
   msg << "Failed to call method: " << interface_name << "." << method_name
       << ": object_path= " << object_path_.value()
       << ": " << error_name << ": " << error_message;
-  logging::LogAtLevel(severity, msg.str());
+
+  // "UnknownObject" indicates that an object or service is no longer available,
+  // e.g. a Shill network service has gone out of range. Treat these as warnings
+  // not errors.
+  if (error_name == kErrorObjectUnknown)
+    LOG(WARNING) << msg.str();
+  else
+    LOG(ERROR) << msg.str();
 }
 
 void ObjectProxy::OnCallMethodError(const std::string& interface_name,