Intent to prototype: field-sizing CSS property

[Luke Warlow]

Summary:

The field-sizing CSS property allows authors to change the sizing behaviour of elements that normally have a fixed size (e.g. input, textarea, select), to be based on their contents.

Bug: 

Specification:

Standards Body:

CSSWG (and WHATWG)

Platform coverage:

all

Preference:

layout.css.field-sizing.enabled

DevTools bug:

N/A

Link to standards-position discussion:

Other browsers:

Blink: Shipping

WebKit: Supportive (https://github.com/WebKit/standards-positions/issues/231)

Web Platform Tests: