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

chrome/browser/metrics/chrome_metrics_services_manager_client.cc

Index: chrome/browser/metrics/chrome_metrics_services_manager_client.cc
diff --git a/chrome/browser/metrics/chrome_metrics_services_manager_client.cc b/chrome/browser/metrics/chrome_metrics_services_manager_client.cc
index 5e6b5a3063c428ade91d94477c6d45de369695b3..64cb51ccae3868329392e79e58f1db66142ebad2 100644
--- a/chrome/browser/metrics/chrome_metrics_services_manager_client.cc
+++ b/chrome/browser/metrics/chrome_metrics_services_manager_client.cc
@@ -6,6 +6,7 @@
 
 #include "base/command_line.h"
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
 #include "chrome/browser/metrics/chrome_metrics_service_client.h"
@@ -42,23 +43,23 @@ ChromeMetricsServicesManagerClient::ChromeMetricsServicesManagerClient(
 
 ChromeMetricsServicesManagerClient::~ChromeMetricsServicesManagerClient() {}
 
-scoped_ptr<rappor::RapporService>
+std::unique_ptr<rappor::RapporService>
 ChromeMetricsServicesManagerClient::CreateRapporService() {
   DCHECK(thread_checker_.CalledOnValidThread());
-  return make_scoped_ptr(new rappor::RapporService(
+  return base::WrapUnique(new rappor::RapporService(
       local_state_, base::Bind(&chrome::IsOffTheRecordSessionActive)));
 }
 
-scoped_ptr<variations::VariationsService>
+std::unique_ptr<variations::VariationsService>
 ChromeMetricsServicesManagerClient::CreateVariationsService() {
   DCHECK(thread_checker_.CalledOnValidThread());
   return variations::VariationsService::Create(
-      make_scoped_ptr(new ChromeVariationsServiceClient()), local_state_,
+      base::WrapUnique(new ChromeVariationsServiceClient()), local_state_,
       GetMetricsStateManager(), switches::kDisableBackgroundNetworking,
       chrome_variations::CreateUIStringOverrider());
 }
 
-scoped_ptr<metrics::MetricsServiceClient>
+std::unique_ptr<metrics::MetricsServiceClient>
 ChromeMetricsServicesManagerClient::CreateMetricsServiceClient() {
   DCHECK(thread_checker_.CalledOnValidThread());
   return ChromeMetricsServiceClient::Create(GetMetricsStateManager(),