Version 4.3.61.27 (cherry-pick)

Merged 49fdc532

Be sure to abort incremental GC when trying to reserve space

R=hpayer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1163563002

Cr-Commit-Position: refs/branch-heads/4.3@{#32}
Cr-Branched-From: f5c0a23a-refs/heads/4.3.61@{#1}
Cr-Branched-From: 0a7d4f49-refs/heads/master@{#27508}