Convert //ios from scoped_ptr to std::unique_ptr.

ios/chrome/browser/metrics/ios_chrome_metrics_service_client.h

 // 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.
 
 #ifndef IOS_CHROME_BROWSER_METRICS_IOS_CHROME_METRICS_SERVICE_CLIENT_H_
 #define IOS_CHROME_BROWSER_METRICS_IOS_CHROME_METRICS_SERVICE_CLIENT_H_
 
 #include <stdint.h>
 
+#include <memory>
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "components/metrics/metrics_service_client.h"
 #include "components/metrics/profiler/tracking_synchronizer_observer.h"
 #include "components/omnibox/browser/omnibox_event_global_tracker.h"
 #include "ios/web/public/web_state/global_web_state_observer.h"
 
 class IOSChromeStabilityMetricsProvider;
 class PrefRegistrySimple;
 class PrefService;
@@ skipping 12 matching lines @@
 // IOSChromeMetricsServiceClient provides an implementation of
 // MetricsServiceClient that depends on //ios/chrome/.
 class IOSChromeMetricsServiceClient
     : public metrics::MetricsServiceClient,
       public metrics::TrackingSynchronizerObserver,
       public web::GlobalWebStateObserver {
  public:
   ~IOSChromeMetricsServiceClient() override;
 
   // Factory function.
-  static scoped_ptr<IOSChromeMetricsServiceClient> Create(
+  static std::unique_ptr<IOSChromeMetricsServiceClient> Create(
       metrics::MetricsStateManager* state_manager,
       PrefService* local_state);
 
   // Registers local state prefs used by this class.
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
   // metrics::MetricsServiceClient:
   metrics::MetricsService* GetMetricsService() override;
   void SetMetricsClientId(const std::string& client_id) override;
   void OnRecordingDisabled() override;
   bool IsOffTheRecordSessionActive() override;
   int32_t GetProduct() override;
   std::string GetApplicationLocale() override;
   bool GetBrand(std::string* brand_code) override;
   metrics::SystemProfileProto::Channel GetChannel() override;
   std::string GetVersionString() override;
   void OnLogUploadComplete() override;
   void InitializeSystemProfileMetrics(
       const base::Closure& done_callback) override;
   void CollectFinalMetricsForLog(const base::Closure& done_callback) override;
-  scoped_ptr<metrics::MetricsLogUploader> CreateUploader(
+  std::unique_ptr<metrics::MetricsLogUploader> CreateUploader(
       const base::Callback<void(int)>& on_upload_complete) override;
   base::TimeDelta GetStandardUploadInterval() override;
   base::string16 GetRegistryBackupKey() override;
   void OnRendererProcessCrash() override;
 
   // web::GlobalWebStateObserver:
   void WebStateDidStartLoading(web::WebState* web_state) override;
   void WebStateDidStopLoading(web::WebState* web_state) override;
 
  private:
@@ skipping 34 matching lines @@
 
   // Called when a URL is opened from the Omnibox.
   void OnURLOpenedFromOmnibox(OmniboxLog* log);
 
   base::ThreadChecker thread_checker_;
 
   // Weak pointer to the MetricsStateManager.
   metrics::MetricsStateManager* metrics_state_manager_;
 
   // The MetricsService that |this| is a client of.
-  scoped_ptr<metrics::MetricsService> metrics_service_;
+  std::unique_ptr<metrics::MetricsService> metrics_service_;
 
   // The IOSChromeStabilityMetricsProvider instance that was registered with
   // MetricsService. Has the same lifetime as |metrics_service_|.
   IOSChromeStabilityMetricsProvider* stability_metrics_provider_;
 
   // Saved callback received from CollectFinalMetricsForLog().
   base::Closure collect_final_metrics_done_callback_;
 
   // The ProfilerMetricsProvider instance that was registered with
   // MetricsService. Has the same lifetime as |metrics_service_|.
   metrics::ProfilerMetricsProvider* profiler_metrics_provider_;
 
   // The DriveMetricsProvider instance that was registered with MetricsService.
   // Has the same lifetime as |metrics_service_|.
   metrics::DriveMetricsProvider* drive_metrics_provider_;
 
   // Callback that is called when initial metrics gathering is complete.
   base::Closure finished_init_task_callback_;
 
   // Time of this object's creation.
   const base::TimeTicks start_time_;
 
   // Subscription for receiving callbacks that a tab was parented.
-  scoped_ptr<base::CallbackList<void(web::WebState*)>::Subscription>
+  std::unique_ptr<base::CallbackList<void(web::WebState*)>::Subscription>
       tab_parented_subscription_;
 
   // Subscription for receiving callbacks that a URL was opened from the
   // omnibox.
-  scoped_ptr<base::CallbackList<void(OmniboxLog*)>::Subscription>
+  std::unique_ptr<base::CallbackList<void(OmniboxLog*)>::Subscription>
       omnibox_url_opened_subscription_;
 
   // Whether this client has already uploaded profiler data during this session.
   // Profiler data is uploaded at most once per session.
   bool has_uploaded_profiler_data_;
 
   base::WeakPtrFactory<IOSChromeMetricsServiceClient> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(IOSChromeMetricsServiceClient);
 };
 
 #endif  // IOS_CHROME_BROWSER_METRICS_IOS_CHROME_METRICS_SERVICE_CLIENT_H_