Convert wtf_unittests to run exclusively on Swarming

Convert wtf_unittests to run exclusively on Swarming

0 configs already ran on Swarming
43 used to run locally and were converted:
- chromium.fyi.json: ClangToTLinux tester
- chromium.fyi.json: ClangToTLinuxASan tester
- chromium.fyi.json: ClangToTMac tester
- chromium.fyi.json: ClangToTMacASan tester
- chromium.fyi.json: ClangToTWin tester
- chromium.fyi.json: ClangToTWin(dbg) tester
- chromium.fyi.json: ClangToTWin(dll) tester
- chromium.fyi.json: ClangToTWin64 tester
- chromium.fyi.json: ClangToTWin64(dbg) tester
- chromium.fyi.json: ClangToTWin64(dll) tester
- chromium.fyi.json: CrWinClang tester
- chromium.fyi.json: CrWinClang(dbg) tester
- chromium.fyi.json: CrWinClang(shared) tester
- chromium.fyi.json: CrWinClang64 tester
- chromium.fyi.json: CrWinClang64(dbg) tester
- chromium.fyi.json: CrWinClang64(dll) tester
- chromium.fyi.json: CrWinClangLLD tester
- chromium.webkit.json: WebKit Linux
- chromium.webkit.json: WebKit Linux (dbg)
- chromium.webkit.json: WebKit Linux 32
- chromium.webkit.json: WebKit Linux Leak
- chromium.webkit.json: WebKit Linux Oilpan
- chromium.webkit.json: WebKit Linux Oilpan (dbg)
- chromium.webkit.json: WebKit Linux Oilpan Leak
- chromium.webkit.json: WebKit Linux Trusty
- chromium.webkit.json: WebKit Mac Oilpan
- chromium.webkit.json: WebKit Mac Oilpan (dbg)
- chromium.webkit.json: WebKit Mac10.10
- chromium.webkit.json: WebKit Mac10.6
- chromium.webkit.json: WebKit Mac10.6 (dbg)
- chromium.webkit.json: WebKit Mac10.7
- chromium.webkit.json: WebKit Mac10.7 (dbg)
- chromium.webkit.json: WebKit Mac10.8
- chromium.webkit.json: WebKit Mac10.9
- chromium.webkit.json: WebKit Mac10.9 (retina)
- chromium.webkit.json: WebKit Win Oilpan
- chromium.webkit.json: WebKit Win Oilpan (dbg)
- chromium.webkit.json: WebKit Win x64 Builder
- chromium.webkit.json: WebKit Win x64 Builder (dbg)
- chromium.webkit.json: WebKit Win10
- chromium.webkit.json: WebKit Win7
- chromium.webkit.json: WebKit Win7 (dbg)
- chromium.webkit.json: WebKit XP

Ran:
  ./manage.py --convert wtf_unittests

R=maruel@chromium.org,dpranke@chromium.org
BUG=98637, 524758
Committed: https://crrev.com/5a612be97cfe101c64d072d39139f2952762c23b
Cr-Commit-Position: refs/heads/master@{#348829}

[joelo, 2015-08-26 01:39:49]

joelo@chromium.org changed reviewers:
+ dpranke@chromium.org, maruel@chromium.org

[joelo, 2015-08-26 01:39:50]

ptal :)

isolate file added in https://codereview.chromium.org/1316763004/

[Dirk Pranke, 2015-08-26 01:44:59]

lgtm

[joelo, 2015-09-15 01:38:21]

The CQ bit was checked by joelo@chromium.org

[joelo, 2015-09-15 01:38:22]

The patchset sent to the CQ was uploaded after l-g-t-m from dpranke@chromium.org
Link to the patchset: https://codereview.chromium.org/1317803002/#ps60001
(title: "merge upstream")

[commit-bot: I haz the power, 2015-09-15 01:38:34]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1317803002/60001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1317803002/60001

[commit-bot: I haz the power, 2015-09-15 03:08:26]

Committed patchset #4 (id:60001)

[commit-bot: I haz the power, 2015-09-15 03:09:08]

Patchset 4 (id:??) landed as
https://crrev.com/5a612be97cfe101c64d072d39139f2952762c23b
Cr-Commit-Position: refs/heads/master@{#348829}

[commit-bot: I haz the power, 2015-09-23 12:42:12]

Patchset 4 (id:??) landed as
https://crrev.com/5a612be97cfe101c64d072d39139f2952762c23b
Cr-Commit-Position: refs/heads/master@{#348829}