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

ui/message_center/views/message_popup_collection_unittest.cc

Index: ui/message_center/views/message_popup_collection_unittest.cc
diff --git a/ui/message_center/views/message_popup_collection_unittest.cc b/ui/message_center/views/message_popup_collection_unittest.cc
index e2f40a69c89a2ada31e8d51d62bb38012f5d990d..5d62ad3ed483d4cb833725f3598ee817e23d8db8 100644
--- a/ui/message_center/views/message_popup_collection_unittest.cc
+++ b/ui/message_center/views/message_popup_collection_unittest.cc
@@ -37,13 +37,13 @@ namespace {
 std::unique_ptr<message_center::Notification> CreateTestNotification(
     std::string id,
     std::string text) {
-  return base::WrapUnique(new message_center::Notification(
+  return base::MakeUnique<message_center::Notification>(
       message_center::NOTIFICATION_TYPE_BASE_FORMAT, id,
       base::UTF8ToUTF16("test title"), base::ASCIIToUTF16(text), gfx::Image(),
       base::string16() /* display_source */, GURL(),
       message_center::NotifierId(message_center::NotifierId::APPLICATION, id),
       message_center::RichNotificationData(),
-      new message_center::NotificationDelegate()));
+      new message_center::NotificationDelegate());
 }
 
 // Provides an aura window context for widget creation.