Replace misc. network stub flags with more flexible ones

chromeos/network/managed_network_configuration_handler_unittest.cc

Index: chromeos/network/managed_network_configuration_handler_unittest.cc
diff --git a/chromeos/network/managed_network_configuration_handler_unittest.cc b/chromeos/network/managed_network_configuration_handler_unittest.cc
index 2fe454d660910f11e1f9f50304401675f768d14d..2a81bcc8196998851eee468e2e8fa21c8ba6677d 100644
--- a/chromeos/network/managed_network_configuration_handler_unittest.cc
+++ b/chromeos/network/managed_network_configuration_handler_unittest.cc
@@ -44,7 +44,6 @@ std::string ValueToString(const base::Value* value) {
   return str.str();
 }
 
-const char kSharedProfilePath[] = "/profile/default";
 const char kUser1[] = "user1";
 const char kUser1ProfilePath[] = "/profile/user1/shill";
 
@@ -208,7 +207,8 @@ class ManagedNetworkConfigurationHandlerTest : public testing::Test {
     network_profile_handler_->
         AddProfileForTest(NetworkProfile(kUser1ProfilePath, kUser1));
     network_profile_handler_->
-        AddProfileForTest(NetworkProfile(kSharedProfilePath, std::string()));
+        AddProfileForTest(NetworkProfile(
+            NetworkProfileHandler::GetSharedProfilePath(), std::string()));
   }
 
   void SetUpEntry(const std::string& path_to_shill_json,