Background size defined in pixels

[Mire]

Test case description

Element with

background-image set to an
background-color set to a fully opaque color
background-size specified in pixels
background-blend-mode other than normal

For details about the notations and more in-context information please refer to section background-blend-mode for an element with background-size of the test plan:
http://mire.github.io/css-blending-test-plan-proposal/css-blending-test-plan-proposal.html

Expected result

The content of the background-image is mixed with the color of the background-color
The background-image has the correct size

W3C specification

This test case pertains to the following w3c specification:
http://www.w3.org/TR/compositing-1/

[wpt-issue-mover]

This issue has been merged into web-platform-tests/wpt#5555; please see that issue if you wish to discuss or work on this.