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

chrome/browser/banners/app_banner_settings_helper.cc

Index: chrome/browser/banners/app_banner_settings_helper.cc
diff --git a/chrome/browser/banners/app_banner_settings_helper.cc b/chrome/browser/banners/app_banner_settings_helper.cc
index f384ca2feb27d87b0c714693844b0ddc03036e99..2dfaf0ce67126a7e444a46a863cfeea426f94fbe 100644
--- a/chrome/browser/banners/app_banner_settings_helper.cc
+++ b/chrome/browser/banners/app_banner_settings_helper.cc
@@ -99,14 +99,14 @@ 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;
 }