GitLab

These have recently been retired from Valgrind, and are also being retired from Dr Memory:

bug_108147
bug_108620
bug_109496
bug_116475
bug_122245a
bug_122245b

BUG=108147,108620,109496,116475,122245
R=bruening@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/587133002

Cr-Commit-Position: refs/heads/master@{#296105}