Convert components_browsertests to always run on Swarming.

Convert components_browsertests to always run on Swarming.

Was already running on 3 configurations on Swarming. 3 were missing.

Ran:
  ./manage.py --convert components_browsertests

New configs:
- chromium.win.json: Win 7 Tests x64 (1)
- chromium.win.json: Win7 Tests (1)

R=dpranke@chromium.org
BUG=98637
Committed: https://crrev.com/86244a8ded03bee881d6e6629c3a4adb1cbcb8e4
Cr-Commit-Position: refs/heads/master@{#335758}

[Dirk Pranke, 2015-06-23 19:20:07]

lgtm

[M-A Ruel, 2015-06-23 19:25:51]

The CQ bit was checked by maruel@chromium.org

[commit-bot: I haz the power, 2015-06-23 19:27:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1197343004/1

[commit-bot: I haz the power, 2015-06-23 20:36:48]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-06-23 20:36:50]

Try jobs failed on following builders:
  linux_chromium_asan_rel_ng on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[M-A Ruel, 2015-06-23 20:41:14]

The CQ bit was checked by maruel@chromium.org

[commit-bot: I haz the power, 2015-06-23 20:41:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1197343004/1

[commit-bot: I haz the power, 2015-06-23 21:41:13]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-06-23 21:42:15]

Patchset 1 (id:??) landed as
https://crrev.com/86244a8ded03bee881d6e6629c3a4adb1cbcb8e4
Cr-Commit-Position: refs/heads/master@{#335758}