Re-write many calls to WrapUnique() with MakeUnique()

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 40 matching lines @@
   std::unique_ptr<base::Value> value = settings->GetWebsiteSetting(
       origin_url, origin_url, CONTENT_SETTINGS_TYPE_SITE_ENGAGEMENT,
       std::string(), NULL);
   if (!value.get() && fallback_settings) {
     value = fallback_settings->GetWebsiteSetting(
         origin_url, origin_url, CONTENT_SETTINGS_TYPE_SITE_ENGAGEMENT,
         std::string(), NULL);
   }
 
   if (!value.get())
-    return base::WrapUnique(new base::DictionaryValue());
+    return base::MakeUnique<base::DictionaryValue>();
 
   if (!value->IsType(base::Value::TYPE_DICTIONARY))
-    return base::WrapUnique(new base::DictionaryValue());
+    return base::MakeUnique<base::DictionaryValue>();
 
   return base::WrapUnique(static_cast<base::DictionaryValue*>(value.release()));
 }
 
 }  // namespace
 
 const double SiteEngagementScore::kMaxPoints = 100;
 
 const char* SiteEngagementScore::kRawScoreKey = "rawScore";
 const char* SiteEngagementScore::kPointsAddedTodayKey = "pointsAddedToday";
@@ skipping 297 matching lines @@
   GetParamValues()[HIGH_ENGAGEMENT_BOUNDARY].second = 50;
   GetParamValues()[MAX_DECAYS_PER_SCORE].second = 1;
   GetParamValues()[LAST_ENGAGEMENT_GRACE_PERIOD_IN_HOURS].second = 72;
 
   // This is set to values that avoid interference with tests and are set when
   // testing these features.
   GetParamValues()[FIRST_DAILY_ENGAGEMENT].second = 0;
   GetParamValues()[DECAY_PROPORTION].second = 1;
   GetParamValues()[SCORE_CLEANUP_THRESHOLD].second = 0;
 }