Start running connect-to-localhost and connection-alive-after-focus-lost tests for v2 web-app.

Start running connect-to-localhost and connection-alive-after-focus-lost tests for v2 web-app on Linux.
Also, reactivating v2 web-app Auth test on Linux, now that http://crbug/447778 has been fixed.

BUG=

Committed: https://crrev.com/4761ff8942e701202c20875e49bc43d630a6e315
Cr-Commit-Position: refs/heads/master@{#316932}

[anandc, 2015-02-18 22:35:13]

anandc@chromium.org changed reviewers:
+ jamiewalch@chromium.org

[anandc, 2015-02-18 22:35:59]

Jamie, PTAL.
This has been tested on the swarming bot and seems non-flaky.

Logs from a sample test execution:
https://chromium-swarm.appspot.com/user/task/25b79b73a4465f10

[Jamie, 2015-02-18 23:49:58]

lgtm

[anandc, 2015-02-18 23:57:35]

The CQ bit was checked by anandc@chromium.org

[commit-bot: I haz the power, 2015-02-18 23:59:27]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/941493002/20001

[commit-bot: I haz the power, 2015-02-19 00:29:45]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-02-19 00:30:05]

Patchset 2 (id:??) landed as
https://crrev.com/4761ff8942e701202c20875e49bc43d630a6e315
Cr-Commit-Position: refs/heads/master@{#316932}