Revert of Create CSRSS Lockdown feature for finching

Revert of Create CSRSS Lockdown feature for finching (patchset #2 id:20001 of https://codereview.chromium.org/2862563004/ )

Reason for revert:
Speculative revert to fix the failing webrtc Win10 bots. The error output is:
[4612:3372:0507/153232.151:ERROR:target_services.cc(58)] Failed to find CSR Port heap handle  https://build.chromium.org/p/chromium.webrtc/builders/Win10%20Tester

Original issue's description:
> This creates a feature "EnableCsrssLockdown" so that this capability can be finched.
> 
> BUG=464430
> 
> Review-Url: https://codereview.chromium.org/2862563004
> Cr-Commit-Position: refs/heads/master@{#469712}
> Committed: https://chromium.googlesource.com/chromium/src/+/1290a798ea209beefb9c00e8836aa91e0cf8b87f

TBR=wfh@chromium.org,asvitkine@chromium.org,liamjm@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=464430
Review-Url: https://codereview.chromium.org/2867103003
Cr-Commit-Position: refs/heads/master@{#470121}
Committed: https://chromium.googlesource.com/chromium/src/+/7f48bb7b7fccc67eeb83d7e660893be03ae2f4ad

[emircan, 2017-05-08 19:28:46]

The CQ bit was checked by emircan@chromium.org

[emircan, 2017-05-08 19:28:46]

Created Revert of Create CSRSS Lockdown feature for finching

[commit-bot: I haz the power, 2017-05-08 19:30:06]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Will Harris, 2017-05-08 19:30:56]

lgtm

[commit-bot: I haz the power, 2017-05-08 21:04:44]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1494271726162440, "parent_rev":
"879fa3502244002049f6bc9106e4df14d08f1515", "commit_rev":
"7f48bb7b7fccc67eeb83d7e660893be03ae2f4ad"}

[commit-bot: I haz the power, 2017-05-08 21:04:56]

Description was changed from

==========
Revert of Create CSRSS Lockdown feature for finching (patchset #2 id:20001 of
https://codereview.chromium.org/2862563004/ )

Reason for revert:
Speculative revert to fix the failing webrtc Win10 bots. The error output is:
[4612:3372:0507/153232.151:ERROR:target_services.cc(58)] Failed to find CSR Port
heap handle 
https://build.chromium.org/p/chromium.webrtc/builders/Win10%20Tester

Original issue's description:
> This creates a feature "EnableCsrssLockdown" so that this capability can be
finched.
> 
> BUG=464430
> 
> Review-Url: https://codereview.chromium.org/2862563004
> Cr-Commit-Position: refs/heads/master@{#469712}
> Committed:
https://chromium.googlesource.com/chromium/src/+/1290a798ea209beefb9c00e8836a...

TBR=wfh@chromium.org,asvitkine@chromium.org,liamjm@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=464430
==========

to

==========
Revert of Create CSRSS Lockdown feature for finching (patchset #2 id:20001 of
https://codereview.chromium.org/2862563004/ )

Reason for revert:
Speculative revert to fix the failing webrtc Win10 bots. The error output is:
[4612:3372:0507/153232.151:ERROR:target_services.cc(58)] Failed to find CSR Port
heap handle 
https://build.chromium.org/p/chromium.webrtc/builders/Win10%20Tester

Original issue's description:
> This creates a feature "EnableCsrssLockdown" so that this capability can be
finched.
> 
> BUG=464430
> 
> Review-Url: https://codereview.chromium.org/2862563004
> Cr-Commit-Position: refs/heads/master@{#469712}
> Committed:
https://chromium.googlesource.com/chromium/src/+/1290a798ea209beefb9c00e8836a...

TBR=wfh@chromium.org,asvitkine@chromium.org,liamjm@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=464430

Review-Url: https://codereview.chromium.org/2867103003
Cr-Commit-Position: refs/heads/master@{#470121}
Committed:
https://chromium.googlesource.com/chromium/src/+/7f48bb7b7fccc67eeb83d7e66089...
==========

[commit-bot: I haz the power, 2017-05-08 21:04:57]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/7f48bb7b7fccc67eeb83d7e66089...