Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/login/saml/saml_offline_signin_limiter_unittest.cc

 // Copyright 2014 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/saml/saml_offline_signin_limiter.h"
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/test/simple_test_clock.h"
 #include "base/test/test_simple_task_runner.h"
@@ skipping 40 matching lines @@
   const AccountId test_account_id_ = AccountId::FromUserEmail(kTestUser);
 
   TestingPrefServiceSimple* GetTestingLocalState();
 
   scoped_refptr<base::TestSimpleTaskRunner> runner_;
   base::ThreadTaskRunnerHandle runner_handle_;
 
   MockUserManager* user_manager_;  // Not owned.
   ScopedUserManagerEnabler user_manager_enabler_;
 
-  scoped_ptr<TestingProfile> profile_;
+  std::unique_ptr<TestingProfile> profile_;
   base::SimpleTestClock clock_;
 
   SAMLOfflineSigninLimiter* limiter_;  // Owned.
 
   TestingPrefServiceSimple testing_local_state_;
 
   DISALLOW_COPY_AND_ASSIGN(SAMLOfflineSigninLimiterTest);
 };
 
 SAMLOfflineSigninLimiterTest::SAMLOfflineSigninLimiterTest()
@@ skipping 576 matching lines @@
   EXPECT_CALL(*user_manager_, SaveForceOnlineSignin(test_account_id_, true))
       .Times(1);
   limiter_->SignedIn(UserContext::AUTH_FLOW_OFFLINE);
 
   const base::Time last_gaia_signin_time = base::Time::FromInternalValue(
       prefs->GetInt64(prefs::kSAMLLastGAIASignInTime));
   EXPECT_EQ(gaia_signin_time, last_gaia_signin_time);
 }
 
 } //  namespace chromeos