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

chrome/browser/metrics/chrome_metrics_services_manager_client.h

Index: chrome/browser/metrics/chrome_metrics_services_manager_client.h
diff --git a/chrome/browser/metrics/chrome_metrics_services_manager_client.h b/chrome/browser/metrics/chrome_metrics_services_manager_client.h
index 318660659935f0a789acdb859639c5bbbbd5393e..d2b8ecaeb5fe568c04c20af5fef6ceda4985c1dd 100644
--- a/chrome/browser/metrics/chrome_metrics_services_manager_client.h
+++ b/chrome/browser/metrics/chrome_metrics_services_manager_client.h
@@ -5,8 +5,9 @@
 #ifndef CHROME_BROWSER_METRICS_CHROME_METRICS_SERVICES_MANAGER_CLIENT_H_
 #define CHROME_BROWSER_METRICS_CHROME_METRICS_SERVICES_MANAGER_CLIENT_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "components/metrics_services_manager/metrics_services_manager_client.h"
@@ -26,9 +27,10 @@ class ChromeMetricsServicesManagerClient
 
  private:
   // metrics_services_manager::MetricsServicesManagerClient:
-  scoped_ptr<rappor::RapporService> CreateRapporService() override;
-  scoped_ptr<variations::VariationsService> CreateVariationsService() override;
-  scoped_ptr<metrics::MetricsServiceClient> CreateMetricsServiceClient()
+  std::unique_ptr<rappor::RapporService> CreateRapporService() override;
+  std::unique_ptr<variations::VariationsService> CreateVariationsService()
+      override;
+  std::unique_ptr<metrics::MetricsServiceClient> CreateMetricsServiceClient()
       override;
   net::URLRequestContextGetter* GetURLRequestContext() override;
   bool IsSafeBrowsingEnabled(const base::Closure& on_update_callback) override;
@@ -40,7 +42,7 @@ class ChromeMetricsServicesManagerClient
   metrics::MetricsStateManager* GetMetricsStateManager();
 
   // MetricsStateManager which is passed as a parameter to service constructors.
-  scoped_ptr<metrics::MetricsStateManager> metrics_state_manager_;
+  std::unique_ptr<metrics::MetricsStateManager> metrics_state_manager_;
 
   // Ensures that all functions are called from the same thread.
   base::ThreadChecker thread_checker_;
@@ -49,7 +51,7 @@ class ChromeMetricsServicesManagerClient
   PrefService* local_state_;
 
   // Subscription to SafeBrowsing service state changes.
-  scoped_ptr<safe_browsing::SafeBrowsingService::StateSubscription>
+  std::unique_ptr<safe_browsing::SafeBrowsingService::StateSubscription>
       sb_state_subscription_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeMetricsServicesManagerClient);