In this case

my_unique_ptr.reset(new MyClass(...));

Correct pattern is now to avoid "new" and write things like

my_unique_ptr = std::make_unique<MyClass>(...);

Here's a naive search to find some of those cases in Translate.

https://cs.chromium.org/search/?q=file:components/translate+%22new%22+case:yes&p=2&sq=package:chromium&type=cs