Remove implicit conversions from scoped_refptr to T* in c/b/chromeos/login

chrome/browser/chromeos/login/fake_login_utils.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/chromeos/login/fake_login_utils.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 102 matching lines @@
 }
 
 bool FakeLoginUtils::RestartToApplyPerSessionFlagsIfNeed(Profile* profile,
                                                          bool early_restart) {
   NOTREACHED() << "Method not implemented.";
   return false;
 }
 
 void FakeLoginUtils::SetExpectedCredentials(const UserContext& user_context) {
   expected_user_context_ = user_context;
-  if (authenticator_) {
+  if (authenticator_.get()) {
     static_cast<MockAuthenticator*>(authenticator_.get())->
         SetExpectedCredentials(user_context);
   }
 }
 
 }  //  namespace chromeos