[CSS Paint API] Add StylePropertyMap as an argument to the paint function.

This adds the FilteredComputedStylePropertyMap as an argument to the
CSS paint API function with only the listed inputProperties.

BUG=578252

Review-Url: https://codereview.chromium.org/2054023002
Cr-Commit-Position: refs/heads/master@{#400115}
13 files changed