Perform full GC if incremental marking is completed or marking deque is empty.
Perform full GC if incremental marking is completed or marking deque is empty.

BUG=

Review URL: https://codereview.chromium.org/874993003

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#26272}

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh