Convert chromedriver_unittests to run exclusively on Swarming

Convert chromedriver_unittests to run exclusively on Swarming

0 configs already ran on Swarming
19 used to run locally and were converted:
- chromium.fyi.json: Linux Trusty
- chromium.fyi.json: Linux Trusty (dbg)
- chromium.linux.json: Linux Tests
- chromium.linux.json: Linux Tests (dbg)(1)
- chromium.linux.json: Linux Tests (dbg)(1)(32)
- chromium.mac.json: Mac10.10 Tests
- chromium.mac.json: Mac10.6 Tests
- chromium.mac.json: Mac10.8 Tests
- chromium.mac.json: Mac10.9 Tests
- chromium.mac.json: Mac10.9 Tests (dbg)
- chromium.memory.fyi.json: Linux ChromeOS MSan Tests
- chromium.memory.fyi.json: Linux MSan Tests
- chromium.memory.fyi.json: Linux TSan Tests
- chromium.memory.json: Mac ASan 64 Tests (1)
- chromium.win.json: Vista Tests (1)
- chromium.win.json: Win 7 Tests x64 (1)
- chromium.win.json: Win7 Tests (1)
- chromium.win.json: Win7 Tests (dbg)(1)
- chromium.win.json: XP Tests (1)

Ran:
  ./manage.py --convert chromedriver_unittests

R=thakis@chromium.org
BUG=98637
Committed: https://crrev.com/772a157bf4300b635e3482d01214b2845959a8e9
Cr-Commit-Position: refs/heads/master@{#337456}

[Nico, 2015-07-03 21:20:29]

lgtm

[M-A Ruel, 2015-07-06 18:38:29]

The CQ bit was checked by maruel@chromium.org

[M-A Ruel, 2015-07-06 18:38:29]

The patchset sent to the CQ was uploaded after l-g-t-m from thakis@chromium.org
Link to the patchset: https://codereview.chromium.org/1222713003/#ps20001
(title: "Fix copyright")

[commit-bot: I haz the power, 2015-07-06 18:40:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1222713003/20001

[commit-bot: I haz the power, 2015-07-06 19:58:21]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-07-06 19:59:52]

Patchset 2 (id:??) landed as
https://crrev.com/772a157bf4300b635e3482d01214b2845959a8e9
Cr-Commit-Position: refs/heads/master@{#337456}