UserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36

Steps to reproduce the problem:
1. Style an element's font size as 0px
2. Insert it between other visible text
3. Select and copy the entire thing - you'll see that the zero-size text is also copied.

Proof of concept: https://adtac.github.io/chrome-zero-size-text/index.html

What is the expected behavior?
This should not be the default behavior. Because a `display: none` style does not select the hidden text and this is similar to that.

What went wrong?
When the text is selected and copied, the zero-size text is copied too.

Proof of concept: https://adtac.github.io/chrome-zero-size-text/index.html

Did this work before? N/A 

Chrome version: 55.0.2883.87  Channel: stable
OS Version: Fedora 23
Flash Version: Shockwave Flash 24.0 r0