Move the inherited property pointer-events and its enum, EPointerEvents,
to be generated in ComputedStyleBase. Also removed the explicit value
setters for EPointerEvents, and the now empty compareEqualIndependent()
method.

BUG=628043

Review-Url: https://codereview.chromium.org/2563753003
Cr-Commit-Position: refs/heads/master@{#438457}
4 files changed