Remove popover and add properties section for paint profiler log.

Review URL: https://codereview.chromium.org/393123007

Review URL: https://codereview.chromium.org/393123007

git-svn-id: svn://svn.chromium.org/blink/trunk@180458 bbb929c8-8fbe-4397-9dbb-9b2b20218538