Updating trunk VERSION from 3459.0 to 3460.0

# This is an automated release commit.
# Do not revert without consulting chrome-pmo@google.com.
NOAUTOREVERT=true
TBR=mmoss@chromium.org

Change-Id: I847557277cd65eb48dd9d9ae5b5b27dc7e56d110
Reviewed-on: https://chromium-review.googlesource.com/1100898Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#567240}

chrome/VERSION

 MAJOR=69
 MINOR=0
-BUILD=3459
+BUILD=3460
 PATCH=0