Convert Pass()→std::move() in //chrome

chrome/browser/engagement/site_engagement_helper.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 "chrome/browser/engagement/site_engagement_helper.h"
 
+#include <utility>
+
 #include "base/time/time.h"
 #include "base/trace_event/trace_event.h"
 #include "chrome/browser/engagement/site_engagement_service.h"
 #include "chrome/browser/engagement/site_engagement_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/web_contents.h"
 
 namespace {
 
@@ skipping 27 matching lines @@
   TrackingStopped();
   pause_timer_->Stop();
 }
 
 bool SiteEngagementHelper::PeriodicTracker::IsTimerRunning() {
   return pause_timer_->IsRunning();
 }
 
 void SiteEngagementHelper::PeriodicTracker::SetPauseTimerForTesting(
     scoped_ptr<base::Timer> timer) {
-  pause_timer_ = timer.Pass();
+  pause_timer_ = std::move(timer);
 }
 
 void SiteEngagementHelper::PeriodicTracker::StartTimer(
     base::TimeDelta delay) {
   pause_timer_->Start(
       FROM_HERE, delay,
       base::Bind(&SiteEngagementHelper::PeriodicTracker::TrackingStarted,
                  base::Unretained(this)));
 }
 
@@ skipping 169 matching lines @@
 
 // static
 void SiteEngagementHelper::SetSecondsTrackingDelayAfterNavigation(int seconds) {
   g_seconds_delay_after_navigation = seconds;
 }
 
 // static
 void SiteEngagementHelper::SetSecondsTrackingDelayAfterShow(int seconds) {
   g_seconds_delay_after_show = seconds;
 }