Implement logging

[sadym-chromium]

WPT tests for logging should pass: https://wpt.fyi/results/webdriver/tests/bidi/log?label=master&label=experimental&aligned&q=webdriver&view=subtest

[whimboo]

@sadym-chromium please note that I'm currently removing all the current_session.execute_script calls in the log.entryAdded tests over in https://bugzilla.mozilla.org/show_bug.cgi?id=1784532. Most likely these are blocking you here.

[sadym-chromium]

@whimboo thanks for the heads-up! We'll wait for migration then.

[whimboo]

The sync is going to happen via web-platform-tests/wpt#35513

[whimboo]

The sync is done and all traces for current_session are gone from the bidi tests. Do these tests work for you now?

[sadym-chromium]

We don't have message caching implemented, so the tests still don't pass on our side. WIP.

[sadym-chromium]

@whimboo another problem is in the fact WPT tests having specific value of the text field, while spec says:

If arg is a primitive ECMAScript value, append ToString(arg) to text. Otherwise append an implementation-defined string to text.

[whimboo]

This should actually be related to the discussion on w3c/webdriver-bidi#139. The webdriver tests should most likely check for any_string in the text field?

[juliandescottes]

Yes for anything non-primitive, we should use any_string instead of expecting a specific text. Primitive log values should still be asserted as-is I think.

[juliandescottes]

@sadym-chromium do you want to update the tests yourself as part of your work, or should we do it?

[sadym-chromium]

I'll publish PR with that + removing verification of implementation-defined text field.

[sadym-chromium]

web-platform-tests/wpt#35577

[sadym-chromium]

Implemented.