Replace rtc::CryptString with std::string

jingle/notifier/base/gaia_token_pre_xmpp_auth.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef JINGLE_NOTIFIER_BASE_GAIA_TOKEN_PRE_XMPP_AUTH_H_
 #define JINGLE_NOTIFIER_BASE_GAIA_TOKEN_PRE_XMPP_AUTH_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 11 matching lines @@
                        const std::string& token_service,
                        const std::string& auth_mechanism);
 
   ~GaiaTokenPreXmppAuth() override;
 
   // buzz::PreXmppAuth (-buzz::SaslHandler) implementation.  We stub
   // all the methods out as we don't actually do any authentication at
   // this point.
   void 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) override;
 
   bool IsAuthDone() const override;
 
   bool IsAuthorized() const override;
 
   bool HadError() const override;
 
   int GetError() const override;
@@ skipping 16 matching lines @@
  private:
   std::string username_;
   std::string token_;
   std::string token_service_;
   std::string auth_mechanism_;
 };
 
 }  // namespace notifier
 
 #endif  // JINGLE_NOTIFIER_BASE_GAIA_TOKEN_PRE_XMPP_AUTH_H_