it's high time you {past perfect} something

I know that usually it should be “It’s high time someone did something.”

However, what about “the past perfect”? Is it possible to use? If yes, when should it be done and for what effect?

“It’s high time someone had done something.”

Here are examples from literature:

It was high time he had written, Dick thought; it was high time he had come.

Lieutenant Stewart replied, in substance, that the British officers had too long trampled on the rights and liberties of his countrymen, and it was high time they had learned to respect the rights and persons of an independent nation.

I told him, it was high time he had ended the course he was pursuing.