Convert Pass()→std::move() for iOS build.

ios/chrome/browser/metrics/ios_chrome_metrics_service_client.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 "ios/chrome/browser/metrics/ios_chrome_metrics_service_client.h"
 
 #include <stdint.h>
 
+#include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
@@ skipping 71 matching lines @@
 // static
 scoped_ptr<IOSChromeMetricsServiceClient> IOSChromeMetricsServiceClient::Create(
     metrics::MetricsStateManager* state_manager,
     PrefService* local_state) {
   // Perform two-phase initialization so that |client->metrics_service_| only
   // receives pointers to fully constructed objects.
   scoped_ptr<IOSChromeMetricsServiceClient> client(
       new IOSChromeMetricsServiceClient(state_manager));
   client->Initialize();
 
-  return client.Pass();
+  return client;
 }
 
 // static
 void IOSChromeMetricsServiceClient::RegisterPrefs(
     PrefRegistrySimple* registry) {
   metrics::MetricsService::RegisterPrefs(registry);
   metrics::StabilityMetricsHelper::RegisterPrefs(registry);
 }
 
 metrics::MetricsService* IOSChromeMetricsServiceClient::GetMetricsService() {
@@ skipping 136 matching lines @@
 
   metrics_service_->RegisterMetricsProvider(
       scoped_ptr<metrics::MetricsProvider>(
           SigninStatusMetricsProvider::CreateInstance(make_scoped_ptr(
               new IOSChromeSigninStatusMetricsProviderDelegate))));
 
   scoped_ptr<metrics::MetricsProvider> ios_stability_metrics_provider(
       new IOSStabilityMetricsProvider(metrics_service_.get()));
   if (ios_stability_metrics_provider) {
     metrics_service_->RegisterMetricsProvider(
-        ios_stability_metrics_provider.Pass());
+        std::move(ios_stability_metrics_provider));
   } else {
     NOTREACHED() << "No IOSStabilityMetricsProvider registered.";
   }
 }
 
 void IOSChromeMetricsServiceClient::OnInitTaskGotDriveMetrics() {
   finished_init_task_callback_.Run();
 }
 
 bool IOSChromeMetricsServiceClient::ShouldIncludeProfilerDataInLog() {
@@ skipping 56 matching lines @@
                      base::Unretained(this)));
 }
 
 void IOSChromeMetricsServiceClient::OnTabParented(web::WebState* web_state) {
   metrics_service_->OnApplicationNotIdle();
 }
 
 void IOSChromeMetricsServiceClient::OnURLOpenedFromOmnibox(OmniboxLog* log) {
   metrics_service_->OnApplicationNotIdle();
 }