Consistently swarm a few tests that were swarmed almost everywhere already.
Consistently swarm a few tests that were swarmed almost everywhere already.

$  testing/buildbot/manage.py --convert cast_unittests
5 used to run locally and were converted:
- chromium.fyi.json: ClangToTLinux tester
- chromium.fyi.json: ClangToTLinuxASan tester
- chromium.fyi.json: ClangToTLinuxUBSanVptr tester
- chromium.fyi.json: ClangToTMac tester
- chromium.fyi.json: ClangToTMacASan tester

$  testing/buildbot/manage.py --convert cc_unittests
5 used to run locally and were converted:
- chromium.fyi.json: ClangToTLinux tester
- chromium.fyi.json: ClangToTLinuxASan tester
- chromium.fyi.json: ClangToTLinuxUBSanVptr tester
- chromium.fyi.json: ClangToTMac tester
- chromium.fyi.json: ClangToTMacASan tester

$  testing/buildbot/manage.py --convert display_unittests
4 used to run locally and were converted:
- chromium.fyi.json: ClangToTLinux tester
- chromium.fyi.json: ClangToTLinuxASan tester
- chromium.fyi.json: ClangToTLinuxUBSanVptr tester
- chromium.fyi.json: Linux Trusty (dbg)

$  testing/buildbot/manage.py --convert extensions_browsertests
2 used to run locally and were converted:
- chromium.fyi.json: ClangToTLinuxASan tester
- chromium.fyi.json: ClangToTLinuxUBSanVptr tester

$  testing/buildbot/manage.py --convert gfx_unittests
5 used to run locally and were converted:
- chromium.fyi.json: ClangToTLinux tester
- chromium.fyi.json: ClangToTLinuxASan tester
- chromium.fyi.json: ClangToTLinuxUBSanVptr tester
- chromium.fyi.json: ClangToTMac tester
- chromium.fyi.json: ClangToTMacASan tester

$  testing/buildbot/manage.py --convert sandbox_linux_unittests
3 used to run locally and were converted:
- chromium.fyi.json: ClangToTLinux tester
- chromium.fyi.json: ClangToTLinuxASan tester
- chromium.fyi.json: ClangToTLinuxUBSanVptr tester

BUG=98637

Review URL: https://codereview.chromium.org/1711843002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#376253}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk