Revert of cc: Move worker context BindToCurrentThread/SetupLock calls out of cc::OutputSurface.

Revert of cc: Move worker context BindToCurrentThread/SetupLock calls out of cc::OutputSurface. (patchset #5 id:80001 of https://codereview.chromium.org/1317743002/ )

Reason for revert:
Likely causes crash on Mac: https://build.chromium.org/p/chromium.gpu/builders/Mac%20Release%20%28Intel%29/builds/54667

Going to see if reverting helps.
BUG=527186
Original issue's description:
> cc: Move worker context BindToCurrentThread/SetupLock calls out of cc::OutputSurface.
>
> This moves the responsibility to call these functions from
> cc:OutputSurface to the code that creates the context.
>
> BUG=523411
> CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel
>
> Committed: https://crrev.com/10b73d7c140bc67ddeeaf716eb31df0977fe2497
> Cr-Commit-Position: refs/heads/master@{#346712}

TBR=avi@chromium.org,danakj@chromium.org,reveman@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=523411
Committed: https://crrev.com/8ba593f708c15ff3a9e0fce6a8bb8da1f80dec3b
Cr-Commit-Position: refs/heads/master@{#346736}

[jbauman, 2015-09-01 21:19:07]

Created Revert of cc: Move worker context BindToCurrentThread/SetupLock calls
out of cc::OutputSurface.

[commit-bot: I haz the power, 2015-09-01 21:19:34]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1317533003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1317533003/1

[commit-bot: I haz the power, 2015-09-01 21:20:33]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-09-01 21:21:25]

Patchset 1 (id:??) landed as
https://crrev.com/8ba593f708c15ff3a9e0fce6a8bb8da1f80dec3b
Cr-Commit-Position: refs/heads/master@{#346736}