Replace rtc::CryptString with std::string

jingle/notifier/base/gaia_token_pre_xmpp_auth.cc

Index: jingle/notifier/base/gaia_token_pre_xmpp_auth.cc
diff --git a/jingle/notifier/base/gaia_token_pre_xmpp_auth.cc b/jingle/notifier/base/gaia_token_pre_xmpp_auth.cc
index 26fbfc4375d28b8d1014036e2eb21fd12888da19..dec9aebeff52d695a5a9b3f378ef264fc2da3af0 100644
--- a/jingle/notifier/base/gaia_token_pre_xmpp_auth.cc
+++ b/jingle/notifier/base/gaia_token_pre_xmpp_auth.cc
@@ -65,7 +65,7 @@ GaiaTokenPreXmppAuth::~GaiaTokenPreXmppAuth() { }
 void GaiaTokenPreXmppAuth::StartPreXmppAuth(
     const buzz::Jid& jid,
     const rtc::SocketAddress& server,
-    const rtc::CryptString& pass,
+    const std::string& pass,
     const std::string& auth_mechanism,
     const std::string& auth_token) {
   SignalAuthDone();