Incrementing VERSION to 66.0.3359.187

TBR=dimu@chromium.org

Change-Id: I3b0bbb2d6f22d5b12b09fcbbc890b98407ae0560
Reviewed-on: https://chromium-review.googlesource.com/1064918
Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/branch-heads/3359@{#834}
Cr-Branched-From: 66afc5e5d10127546cc4b98b9117aff588b5e66b-refs/heads/master@{#540276}
1 file changed