[Blink] SCAYT raises a warning on initialization

[Tomasz Jakut]

Steps to reproduce

1. Open CKEditor with SCAYT plugin having the hash 54fcc98c5d12d654c378d884d3299a5d3422cc9e.
2. Open console.
3. Click "Check Speller" button and choose "Enable SCAYT".

Expected result

SCAYT is enabled without any warnings or errors.

Actual result

Warning 'Range.detach' is now a no-op, as per DOM (http://dom.spec.whatwg.org/#dom-range-detach). on line 33 of ​http://svc.webspellchecker.net/spellcheck31/lf/scayt3/ckscayt/ckscayt.js?1447928201435 is logged into console.

Other details (browser, OS, CKEditor version, installed plugins)

Chrome 46/Opera 33 on Ubuntu 15.10

[Tomasz Jakut]

Bug in SCAYT tracker: ​https://github.com/WebSpellChecker/ckeditor-plugin-scayt/issues/110.

[Jakub Ś]

I can reproduce this issue but it's the problem in wsc and not the editor.