Convert Pass()→std::move() in //content/browser

content/browser/power_usage_monitor_impl.cc

 // Copyright 2014 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 "content/browser/power_usage_monitor_impl.h"
 
 #include <stddef.h>
+#include <utility>
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/stringprintf.h"
 #include "base/sys_info.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
@@ skipping 224 matching lines @@
   if (live_renderer_ids_.empty() && previous_num_live_renderers != 0) {
     // All render processes have died.
     CancelPendingHistogramReporting();
     tracking_discharge_ = false;
   }
 
 }
 
 void PowerUsageMonitor::SetSystemInterfaceForTest(
     scoped_ptr<SystemInterface> interface) {
-  system_interface_ = interface.Pass();
+  system_interface_ = std::move(interface);
 }
 
 void PowerUsageMonitor::OnPowerStateChange(bool on_battery_power) {
 }
 
 void PowerUsageMonitor::OnResume() {
 }
 
 void PowerUsageMonitor::OnSuspend() {
   CancelPendingHistogramReporting();
 }
 
 void PowerUsageMonitor::Observe(int type,
                                 const NotificationSource& source,
                                 const NotificationDetails& details) {
   RenderProcessHost* rph = Source<RenderProcessHost>(source).ptr();
   OnRenderProcessNotification(type, rph->GetID());
 }
 
 void PowerUsageMonitor::CancelPendingHistogramReporting() {
   // Cancel any in-progress histogram reports and reporting of discharge UMA.
   system_interface_->CancelPendingHistogramReports();
 }
 
 }  // namespace content