Make TokenValidatorFactory ref-counted.

remoting/host/remoting_me2me_host.cc

 // Copyright (c) 2012 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.
 //
 // This file implements a standalone host process for Me2Me.
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <string>
@@ skipping 788 matching lines @@
         use_service_account_, host_owner_, local_certificate, key_pair_,
         client_domain_, pin_hash_, pairing_registry);
 
     host_->set_pairing_registry(pairing_registry);
   } else {
     // ThirdPartyAuthConfig::Parse() leaves the config in a valid state, so
     // these URLs are both valid.
     DCHECK(third_party_auth_config_.token_url.is_valid());
     DCHECK(third_party_auth_config_.token_validation_url.is_valid());
 
-    scoped_ptr<protocol::TokenValidatorFactory> token_validator_factory(
-        new TokenValidatorFactoryImpl(
-            third_party_auth_config_,
-            key_pair_, context_->url_request_context_getter()));
+    scoped_refptr<protocol::TokenValidatorFactory> token_validator_factory =
+        new TokenValidatorFactoryImpl(third_party_auth_config_, key_pair_,
+                                      context_->url_request_context_getter());
     factory = protocol::Me2MeHostAuthenticatorFactory::CreateWithThirdPartyAuth(
         use_service_account_, host_owner_, local_certificate, key_pair_,
-        client_domain_, std::move(token_validator_factory));
+        client_domain_, token_validator_factory);
   }
 
 #if defined(OS_POSIX)
   // On Linux and Mac, perform a PAM authorization step after authentication.
   factory.reset(new PamAuthorizationFactory(std::move(factory)));
 #endif
   host_->SetAuthenticatorFactory(std::move(factory));
 }
 
 // IPC::Listener implementation.
@@ skipping 918 matching lines @@
       base::TimeDelta::FromSeconds(kShutdownTimeoutSeconds));
   new HostProcess(std::move(context), &exit_code, &shutdown_watchdog);
 
   // Run the main (also UI) message loop until the host no longer needs it.
   message_loop.Run();
 
   return exit_code;
 }
 
 }  // namespace remoting