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

chrome/browser/banners/app_banner_settings_helper.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 "chrome/browser/banners/app_banner_settings_helper.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 81 matching lines @@
 // Defaults to the number of minutes in a day.
 unsigned int gMinimumMinutesBetweenVisits = kNumberOfMinutesInADay;
 
 // Total engagement score required before a banner will actually be triggered.
 double gTotalEngagementToTrigger = kDefaultTotalEngagementToTrigger;
 
 std::unique_ptr<base::DictionaryValue> GetOriginDict(
     HostContentSettingsMap* settings,
     const GURL& origin_url) {
   if (!settings)
-    return base::WrapUnique(new base::DictionaryValue());
+    return base::MakeUnique<base::DictionaryValue>();
 
   std::unique_ptr<base::DictionaryValue> dict =
       base::DictionaryValue::From(settings->GetWebsiteSetting(
           origin_url, origin_url, CONTENT_SETTINGS_TYPE_APP_BANNER,
           std::string(), NULL));
   if (!dict)
-    return base::WrapUnique(new base::DictionaryValue());
+    return base::MakeUnique<base::DictionaryValue>();
 
   return dict;
 }
 
 base::DictionaryValue* GetAppDict(base::DictionaryValue* origin_dict,
                                   const std::string& key_name) {
   base::DictionaryValue* app_dict = nullptr;
   if (!origin_dict->GetDictionaryWithoutPathExpansion(key_name, &app_dict)) {
     // Don't allow more than kMaxAppsPerSite dictionaries.
     if (origin_dict->size() < kMaxAppsPerSite) {
@@ skipping 529 matching lines @@
     return true;
   }
 
   // Assume any value which is not "0" or "false" indicates that we should use
   // site engagement.
   std::string param = variations::GetVariationParamValue(
       kBannerParamsKey, kBannerSiteEngagementParamsKey);
 
   return (!param.empty() && param != "0" && param != "false");
 }