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

chrome/browser/chromeos/login/users/multi_profile_user_controller.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/users/multi_profile_user_controller.h"
 
+#include <memory>
+
 #include "base/bind.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/chromeos/login/users/multi_profile_user_controller_delegate.h"
 #include "chrome/browser/chromeos/policy/policy_cert_service.h"
 #include "chrome/browser/chromeos/policy/policy_cert_service_factory.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/pref_names.h"
 #include "components/prefs/pref_change_registrar.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
 #include "components/prefs/scoped_user_pref_update.h"
@@ skipping 135 matching lines @@
   return SetUserAllowedReason(
       reason,
       behavior == kBehaviorUnrestricted ? ALLOWED : NOT_ALLOWED_POLICY_FORBIDS);
 }
 
 void MultiProfileUserController::StartObserving(Profile* user_profile) {
   // Profile name could be empty during tests.
   if (user_profile->GetProfileUserName().empty())
     return;
 
-  scoped_ptr<PrefChangeRegistrar> registrar(new PrefChangeRegistrar);
+  std::unique_ptr<PrefChangeRegistrar> registrar(new PrefChangeRegistrar);
   registrar->Init(user_profile->GetPrefs());
   registrar->Add(
       prefs::kMultiProfileUserBehavior,
       base::Bind(&MultiProfileUserController::OnUserPrefChanged,
                  base::Unretained(this),
                  user_profile));
   pref_watchers_.push_back(registrar.release());
 
   OnUserPrefChanged(user_profile);
 }
@@ skipping 56 matching lines @@
   } else {
     const std::string behavior =
         prefs->GetString(prefs::kMultiProfileUserBehavior);
     SetCachedValue(user_email, behavior);
   }
 
   CheckSessionUsers();
 }
 
 }  // namespace chromeos