DevTools: Restore embedded devtools manager unit test checks after switching service worker inspect…

DevTools: Restore embedded devtools manager unit test checks after switching service worker inspection on the main thread.

TBR=yurys, horo
BUG=404355
Committed: https://crrev.com/0010604872a581f795e079b62f2c2376661a88ea
Cr-Commit-Position: refs/heads/master@{#292415}

[vsevik, 2014-08-28 15:59:55]

The CQ bit was checked by vsevik@chromium.org

[commit-bot: I haz the power, 2014-08-28 16:00:47]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/vsevik@chromium.org/515593004/1

[commit-bot: I haz the power, 2014-08-28 16:55:56]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  mac_gpu on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/mac_gpu/builds/47634)
  win_chromium_rel_swarming on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_rel_...)

[commit-bot: I haz the power, 2014-08-28 18:20:06]

Committed patchset #1 (id:1) as e00257a43893511b0e9ce580402b860e024c7f6a

[horo, 2014-08-29 02:19:07]

lgtm

[commit-bot: I haz the power, 2014-09-10 03:00:37]

Patchset 1 (id:??) landed as
https://crrev.com/0010604872a581f795e079b62f2c2376661a88ea
Cr-Commit-Position: refs/heads/master@{#292415}