Revert of Add support for origin trials in workers.

Revert of Add support for origin trials in workers. (patchset #10 id:200001 of https://codereview.chromium.org/1828063002/ )

Reason for revert:
http/tests/origin_trials/sample-api-workers.html seems to randomly timeout sometimes, not sure yet if it's just slow or if something is actually flaky/wrong

Original issue's description:
> Add support for origin trials in workers.
>
> This adds support for origin trials in workers (dedicated, shared
> and service workers). It does so by adding a list of tokens to
> WorkerThreadStartupData. That list is filled using the response headers
> for shared and service workers, and filled with the documents tokens
> for dedicated workers.
>
> BUG=582063
> BUG=582195
> BUG=582197
>
> Committed: https://crrev.com/de1993ee636b9c8a2ca0f1a817ff3d3ca5c88a6d
> Cr-Commit-Position: refs/heads/master@{#392661}

TBR=haraken@chromium.org,iclelland@chromium.org,kinuko@chromium.org,rbyers@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=582063
Committed: https://crrev.com/267bff8b11e4e4f1fabebcaa14acebd5909a266d
Cr-Commit-Position: refs/heads/master@{#392741}

[Marijn Kruisselbrink, 2016-05-10 22:07:27]

Created Revert of Add support for origin trials in workers.

[commit-bot: I haz the power, 2016-05-10 22:08:01]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1969583002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1969583002/1

[commit-bot: I haz the power, 2016-05-10 22:09:00]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-10 22:10:28]

Description was changed from

==========
Revert of Add support for origin trials in workers. (patchset #10 id:200001 of
https://codereview.chromium.org/1828063002/ )

Reason for revert:
http/tests/origin_trials/sample-api-workers.html seems to randomly timeout
sometimes, not sure yet if it's just slow or if something is actually
flaky/wrong

Original issue's description:
> Add support for origin trials in workers.
> 
> This adds support for origin trials in workers (dedicated, shared
> and service workers). It does so by adding a list of tokens to
> WorkerThreadStartupData. That list is filled using the response headers
> for shared and service workers, and filled with the documents tokens
> for dedicated workers.
> 
> BUG=582063
> BUG=582195
> BUG=582197
> 
> Committed: https://crrev.com/de1993ee636b9c8a2ca0f1a817ff3d3ca5c88a6d
> Cr-Commit-Position: refs/heads/master@{#392661}

TBR=haraken@chromium.org,iclelland@chromium.org,kinuko@chromium.org,rbyers@ch...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=582063
==========

to

==========
Revert of Add support for origin trials in workers. (patchset #10 id:200001 of
https://codereview.chromium.org/1828063002/ )

Reason for revert:
http/tests/origin_trials/sample-api-workers.html seems to randomly timeout
sometimes, not sure yet if it's just slow or if something is actually
flaky/wrong

Original issue's description:
> Add support for origin trials in workers.
>
> This adds support for origin trials in workers (dedicated, shared
> and service workers). It does so by adding a list of tokens to
> WorkerThreadStartupData. That list is filled using the response headers
> for shared and service workers, and filled with the documents tokens
> for dedicated workers.
>
> BUG=582063
> BUG=582195
> BUG=582197
>
> Committed: https://crrev.com/de1993ee636b9c8a2ca0f1a817ff3d3ca5c88a6d
> Cr-Commit-Position: refs/heads/master@{#392661}

TBR=haraken@chromium.org,iclelland@chromium.org,kinuko@chromium.org,rbyers@ch...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=582063

Committed: https://crrev.com/267bff8b11e4e4f1fabebcaa14acebd5909a266d
Cr-Commit-Position: refs/heads/master@{#392741}
==========

[commit-bot: I haz the power, 2016-05-10 22:10:29]

Patchset 1 (id:??) landed as
https://crrev.com/267bff8b11e4e4f1fabebcaa14acebd5909a266d
Cr-Commit-Position: refs/heads/master@{#392741}

[haraken, 2016-05-10 23:22:56]

LGTM to revert