Wait 60s instead of 30s for browser to launch.

Wait 60s instead of 30s for browser to launch.

There's a guess that the browser may be launching extremely slowly on
some bots and that when the browser main process is killed it's
leaking sub-processes that are in the middle of being spawned.
Increase the timeout to try to confirm this hypothesis.

BUG=424024
R=tonyg@chromium.org

Committed: https://crrev.com/7ef2c0036f70bdcc59dd7c8f23c8b7c5a3f114d9
Cr-Commit-Position: refs/heads/master@{#302087}

[Ken Russell (switch to Gerrit), 2014-10-30 02:16:18]

Tony or Ned or David: please review. Thanks.

[tonyg, 2014-10-30 02:50:45]

lgtm

But let's revert if this doesn't fix things.

[Ken Russell (switch to Gerrit), 2014-10-30 02:58:13]

OK. Thanks.

[Ken Russell (switch to Gerrit), 2014-10-30 02:58:17]

The CQ bit was checked by kbr@chromium.org

[commit-bot: I haz the power, 2014-10-30 02:58:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/691683002/1

[commit-bot: I haz the power, 2014-10-30 04:08:53]

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

[commit-bot: I haz the power, 2014-10-30 04:08:54]

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

[nednguyen, 2014-10-30 14:43:32]

The CQ bit was checked by nednguyen@google.com

[commit-bot: I haz the power, 2014-10-30 14:44:07]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/691683002/1

[commit-bot: I haz the power, 2014-10-30 15:28:23]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-30 15:29:08]

Patchset 1 (id:??) landed as
https://crrev.com/7ef2c0036f70bdcc59dd7c8f23c8b7c5a3f114d9
Cr-Commit-Position: refs/heads/master@{#302087}

[Ken Russell (switch to Gerrit), 2014-10-30 19:17:48]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/667733004/ by kbr@chromium.org.

The reason for reverting is: Didn't help -- stuck subprocesses are still showing
up.
.