Cleanup: Only need one bit (not two) to express flow thread state.

The InsideOutOfFlowThread / InsideInFlowThread distinction is a relic from the
CSS Regions days. Just telling whether we're a descendant of a flow thread or
not is enough.

R=dsinclair@chromium.org

Review URL: https://codereview.chromium.org/1124993002

git-svn-id: svn://svn.chromium.org/blink/trunk@194945 bbb929c8-8fbe-4397-9dbb-9b2b20218538
7 files changed
tree: 22b6fcbf69b8153e577fcc1de3d1a2d8585f440d
  1. third_party/