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

chrome/browser/engagement/site_engagement_score.cc

Index: chrome/browser/engagement/site_engagement_score.cc
diff --git a/chrome/browser/engagement/site_engagement_score.cc b/chrome/browser/engagement/site_engagement_score.cc
index 72d1d3f35cba1771e53106a6ff2493926e2d0e09..b734e77d15a3b0878df27a679b3ec61888a941a7 100644
--- a/chrome/browser/engagement/site_engagement_score.cc
+++ b/chrome/browser/engagement/site_engagement_score.cc
@@ -58,10 +58,10 @@ std::unique_ptr<base::DictionaryValue> GetScoreDictForOrigin(
   }
 
   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()));
 }