Move Shill property utility functions to a new separate file.

chromeos/network/network_configuration_handler.cc

Index: chromeos/network/network_configuration_handler.cc
diff --git a/chromeos/network/network_configuration_handler.cc b/chromeos/network/network_configuration_handler.cc
index f8acf26ccf661dbf3d7326de11f8274260de636e..7748623e40558b221999677679995ef33c492cc1 100644
--- a/chromeos/network/network_configuration_handler.cc
+++ b/chromeos/network/network_configuration_handler.cc
@@ -21,8 +21,8 @@
 #include "chromeos/dbus/shill_profile_client.h"
 #include "chromeos/dbus/shill_service_client.h"
 #include "chromeos/network/network_event_log.h"
-#include "chromeos/network/network_state.h"
 #include "chromeos/network/network_state_handler.h"
+#include "chromeos/network/shill_property_util.h"
 #include "dbus/object_path.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
@@ -57,8 +57,8 @@ void GetPropertiesCallback(
     const base::DictionaryValue& properties) {
   // Get the correct name from WifiHex if necessary.
   scoped_ptr<base::DictionaryValue> properties_copy(properties.DeepCopy());
-  std::string name = NetworkState::GetNameFromProperties(
-      service_path, properties);
+  std::string name =
+      shill_property_util::GetNameFromProperties(service_path, properties);
   if (!name.empty()) {
     properties_copy->SetStringWithoutPathExpansion(
         flimflam::kNameProperty, name);