Add migration from CaCert NSS nicknames to PEM.

chromeos/network/network_state_handler_unittest.cc

Index: chromeos/network/network_state_handler_unittest.cc
diff --git a/chromeos/network/network_state_handler_unittest.cc b/chromeos/network/network_state_handler_unittest.cc
index d375def394cf75b017e90391925f179d02e575d1..73ee977f4aea0b54649ab79cde0dae5427cc9a9b 100644
--- a/chromeos/network/network_state_handler_unittest.cc
+++ b/chromeos/network/network_state_handler_unittest.cc
@@ -30,10 +30,10 @@ void ErrorCallbackFunction(const std::string& error_name,
   LOG(ERROR) << "Shill Error: " << error_name << " : " << error_message;
 }
 
-const std::string kShillManagerClientStubDefaultService = "eth1";
-const std::string kShillManagerClientStubDefaultWireless = "wifi1";
-const std::string kShillManagerClientStubWireless2 = "wifi2";
-const std::string kShillManagerClientStubCellular = "cellular1";
+const char* kShillManagerClientStubDefaultService = "eth1";
+const char* kShillManagerClientStubDefaultWireless = "wifi1";
+const char* kShillManagerClientStubWireless2 = "wifi2";
+const char* kShillManagerClientStubCellular = "cellular1";
 
 using chromeos::NetworkState;
 using chromeos::NetworkStateHandler;