Filter out store/slots buffer entries that point into raw data objects.

Filter out store/slots buffer entries that point into raw data objects.

This is just a workaround till we found the root cause of the issue, there must be no slots for data object recorded.

BUG=chromium:454297
LOG=N

Review URL: https://codereview.chromium.org/1106983004

Cr-Commit-Position: refs/heads/master@{#28756}