Revert of Limit foreign fetch to only intercept requests made from secure contexts.

Revert of Limit foreign fetch to only intercept requests made from secure contexts. (patchset #2 id:40001 of https://codereview.chromium.org/2032653003/ )

Reason for revert:
ResourceRequest::initiated_in_secure_context should have a default value, now it's causing failures on some MSAN bots

Original issue's description:
> Limit foreign fetch to only intercept requests made from secure contexts.
>
> Implements step 5 of "Handle Foreign Fetch" in [1]
>
> [1]: https://slightlyoff.github.io/ServiceWorker/spec/service_worker/index.html#on-foreign-fetch-request-algorithm
>
> BUG=540509
>
> Committed: https://crrev.com/dd933bda0baa6a13ab0120f0056a2b783e459efb
> Cr-Commit-Position: refs/heads/master@{#398752}

TBR=dcheng@chromium.org,kinuko@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=540509
Committed: https://crrev.com/3dc66db842e4bd72626711835d2e61b3aedc468f
Cr-Commit-Position: refs/heads/master@{#398772}

[Marijn Kruisselbrink, 2016-06-09 03:41:20]

The CQ bit was checked by mek@chromium.org

[Marijn Kruisselbrink, 2016-06-09 03:41:21]

Created Revert of Limit foreign fetch to only intercept requests made from
secure contexts.

[commit-bot: I haz the power, 2016-06-09 03:41:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2049723004/1

[commit-bot: I haz the power, 2016-06-09 03:42:56]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-09 03:44:53]

Description was changed from

==========
Revert of Limit foreign fetch to only intercept requests made from secure
contexts. (patchset #2 id:40001 of https://codereview.chromium.org/2032653003/ )

Reason for revert:
ResourceRequest::initiated_in_secure_context should have a default value, now
it's causing failures on some MSAN bots 

Original issue's description:
> Limit foreign fetch to only intercept requests made from secure contexts.
> 
> Implements step 5 of "Handle Foreign Fetch" in [1]
> 
> [1]:
https://slightlyoff.github.io/ServiceWorker/spec/service_worker/index.html#on...
> 
> BUG=540509
> 
> Committed: https://crrev.com/dd933bda0baa6a13ab0120f0056a2b783e459efb
> Cr-Commit-Position: refs/heads/master@{#398752}

TBR=dcheng@chromium.org,kinuko@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=540509
==========

to

==========
Revert of Limit foreign fetch to only intercept requests made from secure
contexts. (patchset #2 id:40001 of https://codereview.chromium.org/2032653003/ )

Reason for revert:
ResourceRequest::initiated_in_secure_context should have a default value, now
it's causing failures on some MSAN bots

Original issue's description:
> Limit foreign fetch to only intercept requests made from secure contexts.
>
> Implements step 5 of "Handle Foreign Fetch" in [1]
>
> [1]:
https://slightlyoff.github.io/ServiceWorker/spec/service_worker/index.html#on...
>
> BUG=540509
>
> Committed: https://crrev.com/dd933bda0baa6a13ab0120f0056a2b783e459efb
> Cr-Commit-Position: refs/heads/master@{#398752}

TBR=dcheng@chromium.org,kinuko@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=540509

Committed: https://crrev.com/3dc66db842e4bd72626711835d2e61b3aedc468f
Cr-Commit-Position: refs/heads/master@{#398772}
==========

[commit-bot: I haz the power, 2016-06-09 03:44:55]

Patchset 1 (id:??) landed as
https://crrev.com/3dc66db842e4bd72626711835d2e61b3aedc468f
Cr-Commit-Position: refs/heads/master@{#398772}