Revert of Add creation of ServiceManager to Content

Revert of Add creation of ServiceManager to Content (https://codereview.chromium.org/187183002/)

Reason for revert:
Tests fail on Mac

Original issue's description:
> Add creation of ServiceManager to Content
> 
> BUG=None
> TEST=Mojo.Init
> R=jam@chromium.org, sky@chromium.org, jam
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=258438
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=258607

TBR=jam@chromium.org,sky@chromium.org,davemoore@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=None

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=258624

[vandebo (ex-Chrome), 2014-03-21 17:49:03]

Created Revert of Add creation of ServiceManager to Content

[commit-bot: I haz the power, 2014-03-21 17:50:05]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/vandebo@chromium.org/208223006/1

[commit-bot: I haz the power, 2014-03-21 17:51:30]

Change committed as 258624