Refactor HostContentSettingsMap::SetWebsiteSettingDefaultScope to take a std::unique_ptr.

chrome/browser/engagement/site_engagement_score.cc

 // Copyright 2016 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_score.h"
 
 #include <cmath>
 
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 206 matching lines @@
 double SiteEngagementScore::GetScore() const {
   return std::min(DecayedScore() + BonusScore(), kMaxPoints);
 }
 
 void SiteEngagementScore::Commit() {
   if (!UpdateScoreDict(score_dict_.get()))
     return;
 
   settings_map_->SetWebsiteSettingDefaultScope(
       origin_, GURL(), CONTENT_SETTINGS_TYPE_SITE_ENGAGEMENT, std::string(),
-      score_dict_.release());
+      std::move(score_dict_));
 }
 
 bool SiteEngagementScore::MaxPointsPerDayAdded() const {
   if (!last_engagement_time_.is_null() &&
       clock_->Now().LocalMidnight() != last_engagement_time_.LocalMidnight()) {
     return false;
   }
 
   return points_added_today_ == GetMaxPointsPerDay();
 }
@@ skipping 97 matching lines @@
   param_values[HIDDEN_MEDIA_POINTS] = 0.01;
   param_values[WEB_APP_INSTALLED_POINTS] = 5;
   param_values[BOOTSTRAP_POINTS] = 8;
   param_values[MEDIUM_ENGAGEMENT_BOUNDARY] = 5;
   param_values[HIGH_ENGAGEMENT_BOUNDARY] = 50;
 
   // This is set to zero to avoid interference with tests and is set when
   // testing this functionality.
   param_values[FIRST_DAILY_ENGAGEMENT] = 0;
 }