Post on DayOne.app with selected text.
This extension is unofficial.
You can post on "DayOne.app (*1)" from the Alt+D or click the BrowserAction after you selected text.
(Title, URL, The capture of article will also be inserted at the same time.)
The capture of the article is using "HeartRails Capture (*2)".
If this extension does not work, you should be see http://tknhs.github.io/blog/2014/06/external-protocol-request/ .
*1 DayOne.app - http://dayoneapp.com/
*2 HeartRails Capture - http://capture.heartrails.com/