Made list-style-position property independent.

Made list-style-position property independent. Also updated
independent-inheritance-fast-path.html to include listStylePosition.

Tested using independent-inheritance-fast-path.html.

BUG=628043

Review-Url: https://codereview.chromium.org/2566923002
Cr-Commit-Position: refs/heads/master@{#438008}
2 files changed