Steps to reproduce the problem:
Story:
1. I want to print a webpage to PDF
2. The PDF was either planned to circulate electronically, or the intention was to print the webpage via thermal printer later via meters long paper rolls and thus page breaks are not necessary
3. In the chrome's print to PDF function, none of those option have unlimited page length and all of them would create page break.

What is the expected behavior?
1. There should be an endless option that allow users printing a long (either vertically or horizontally or both dimensions) webpage into a single page PDF
2. There should be a custom page size option
3. There should also exists an option of printing an webpage to an image instead of PDF

What went wrong?
None of those expected options exists

Did this work before? No 

Chrome version: 70  Channel: stable
OS Version: 8.0
Flash Version: 

This is a feature request mainly for Chrome for Android but it would be nice if Chrome on other platforms also have such options.