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

chrome/browser/chromeos/arc/arc_settings_service.cc

 // Copyright 2015 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/arc/arc_settings_service.h"
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
 #include "base/json/json_writer.h"
@@ skipping 50 matching lines @@
   // Returns the integer value of the pref.  pref_name must exist.
   int GetIntegerPref(const std::string& pref_name) const;
 
   // Sends a broadcast to the delegate.
   void SendSettingsBroadcast(const std::string& action,
                              const base::DictionaryValue& extras) const;
 
   // Manages pref observation registration.
   PrefChangeRegistrar registrar_;
 
-  scoped_ptr<chromeos::CrosSettings::ObserverSubscription>
+  std::unique_ptr<chromeos::CrosSettings::ObserverSubscription>
       reporting_consent_subscription_;
   ArcBridgeService* const arc_bridge_service_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcSettingsServiceImpl);
 };
 
 ArcSettingsServiceImpl::ArcSettingsServiceImpl(
     ArcBridgeService* arc_bridge_service)
     : arc_bridge_service_(arc_bridge_service) {
   StartObservingSettingsChanges();
@@ skipping 170 matching lines @@
 
 void ArcSettingsService::OnIntentHelperInstanceReady() {
   impl_.reset(new ArcSettingsServiceImpl(arc_bridge_service()));
 }
 
 void ArcSettingsService::OnIntentHelperInstanceClosed() {
   impl_.reset();
 }
 
 }  // namespace arc