mojo_js_standalone will quit after the last JSApp quits

mojo_js_standalone will quit after the last JSApp quits

I've also changed mojo_shell so that extra spaces in between app configuration arguments aren't turned into empty strings.

BUG=420243
Committed: https://crrev.com/b5334e7a527563ab6e96704325f8b5d53d8d791c
Cr-Commit-Position: refs/heads/master@{#298917}

[hansmuller, 2014-10-03 23:33:17]

hansmuller@chromium.org changed reviewers:
+ aa@chromium.org

[hansmuller, 2014-10-03 23:47:44]

This is a micro-change. PTAL.

[Aaron Boodman, 2014-10-04 02:14:50]

lgtm

[hansmuller, 2014-10-08 19:25:04]

The CQ bit was checked by hansmuller@chromium.org

[commit-bot: I haz the power, 2014-10-08 19:27:56]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/627093002/1

[commit-bot: I haz the power, 2014-10-09 01:33:10]

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

[commit-bot: I haz the power, 2014-10-09 01:33:11]

Exceeded time limit waiting for builds to trigger.

[hansmuller, 2014-10-09 14:24:12]

The CQ bit was checked by hansmuller@chromium.org

[commit-bot: I haz the power, 2014-10-09 14:26:20]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/627093002/1

[commit-bot: I haz the power, 2014-10-09 14:46:40]

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

[commit-bot: I haz the power, 2014-10-09 14:46:41]

Failed to commit the patch.

[commit-bot: I haz the power, 2014-10-09 14:47:40]

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

[hansmuller, 2014-10-09 14:48:09]

The CQ bit was checked by hansmuller@chromium.org

[commit-bot: I haz the power, 2014-10-09 14:49:33]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/627093002/1

[commit-bot: I haz the power, 2014-10-09 14:51:26]

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

[commit-bot: I haz the power, 2014-10-09 14:51:28]

Failed to commit the patch.

[commit-bot: I haz the power, 2014-10-09 14:52:48]

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

[hansmuller, 2014-10-09 15:14:32]

The CQ bit was checked by hansmuller@chromium.org

[commit-bot: I haz the power, 2014-10-09 15:16:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/627093002/1

[commit-bot: I haz the power, 2014-10-09 15:18:26]

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

[commit-bot: I haz the power, 2014-10-09 15:18:28]

Failed to commit the patch.

[commit-bot: I haz the power, 2014-10-09 15:19:33]

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

[hansmuller, 2014-10-09 16:39:30]

The CQ bit was checked by hansmuller@chromium.org

[commit-bot: I haz the power, 2014-10-09 16:40:31]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/627093002/20001

[commit-bot: I haz the power, 2014-10-09 17:08:17]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2014-10-09 17:09:12]

Patchset 2 (id:??) landed as
https://crrev.com/b5334e7a527563ab6e96704325f8b5d53d8d791c
Cr-Commit-Position: refs/heads/master@{#298917}