Revert of Shape Detection: move the Mac service to the sandboxed GPU process

Revert of Shape Detection: move the Mac service to the sandboxed GPU process (patchset #1 id:20001 of https://codereview.chromium.org/2739163003/ )

Reason for revert:
fast/shapedetection/shapedetection-security-test.html seems to get flaky due to this CL on mac bots.

BUG=701675
Original issue's description:
> Shape Detection: move the Mac service to the sandboxed GPU process
> 
> ShapeDetection in Mac uses privileged and potentially dangerous APIs
> inside CoreImage and perhaps more, transitively.  This CL moves the 
> shape detection service to run in the GPU process, which is sandboxed.
> 
> The reason for using the GPU process is that CoreImage APIs seem
> to depend strongly and mysteriously on the GPU, as I learned while
> trying to get the unittests to work [1] in our normal mac bots (which 
> are virtual machines and have no GPU).  I tried using a sw rendering
> context and a coupe of other circumventions but nothing really worked.
> 
> [1] early PSs in https://codereview.chromium.org/2677553003/
> 
> BUG=666143
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.mac:mac_optional_gpu_tests_rel
> 
> Review-Url: https://codereview.chromium.org/2739163003
> Cr-Commit-Position: refs/heads/master@{#456555}
> Committed: https://chromium.googlesource.com/chromium/src/+/95d98937e0fb0baf11d7c3088a99bb20a58e32cf

TBR=rockot@chromium.org,kbr@chromium.org,rsesek@chromium.org,mcasas@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=666143
Review-Url: https://codereview.chromium.org/2749213002
Cr-Commit-Position: refs/heads/master@{#457035}
Committed: https://chromium.googlesource.com/chromium/src/+/886e0b3390e48ca2dd0a361b9e27b84e73b0acc4

[tzik, 2017-03-15 07:09:30]

The CQ bit was checked by tzik@chromium.org

[tzik, 2017-03-15 07:09:30]

Created Revert of Shape Detection: move the Mac service to the sandboxed GPU
process

[commit-bot: I haz the power, 2017-03-15 07:09:44]

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

[commit-bot: I haz the power, 2017-03-15 08:40:53]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1489561770011600, "parent_rev":
"f9efa25e43aaae4be00d0db9e27a04daad7a11fe", "commit_rev":
"886e0b3390e48ca2dd0a361b9e27b84e73b0acc4"}

[commit-bot: I haz the power, 2017-03-15 08:41:41]

Description was changed from

==========
Revert of Shape Detection: move the Mac service to the sandboxed GPU process
(patchset #1 id:20001 of https://codereview.chromium.org/2739163003/ )

Reason for revert:
fast/shapedetection/shapedetection-security-test.html seems to get flaky due to
this CL on mac bots.

BUG=701675


Original issue's description:
> Shape Detection: move the Mac service to the sandboxed GPU process
> 
> ShapeDetection in Mac uses privileged and potentially dangerous APIs
> inside CoreImage and perhaps more, transitively.  This CL moves the 
> shape detection service to run in the GPU process, which is sandboxed.
> 
> The reason for using the GPU process is that CoreImage APIs seem
> to depend strongly and mysteriously on the GPU, as I learned while
> trying to get the unittests to work [1] in our normal mac bots (which 
> are virtual machines and have no GPU).  I tried using a sw rendering
> context and a coupe of other circumventions but nothing really worked.
> 
> [1] early PSs in https://codereview.chromium.org/2677553003/
> 
> BUG=666143
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.mac:mac_optional_gpu_tests_rel
> 
> Review-Url: https://codereview.chromium.org/2739163003
> Cr-Commit-Position: refs/heads/master@{#456555}
> Committed:
https://chromium.googlesource.com/chromium/src/+/95d98937e0fb0baf11d7c3088a99...

TBR=rockot@chromium.org,kbr@chromium.org,rsesek@chromium.org,mcasas@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=666143
==========

to

==========
Revert of Shape Detection: move the Mac service to the sandboxed GPU process
(patchset #1 id:20001 of https://codereview.chromium.org/2739163003/ )

Reason for revert:
fast/shapedetection/shapedetection-security-test.html seems to get flaky due to
this CL on mac bots.

BUG=701675


Original issue's description:
> Shape Detection: move the Mac service to the sandboxed GPU process
> 
> ShapeDetection in Mac uses privileged and potentially dangerous APIs
> inside CoreImage and perhaps more, transitively.  This CL moves the 
> shape detection service to run in the GPU process, which is sandboxed.
> 
> The reason for using the GPU process is that CoreImage APIs seem
> to depend strongly and mysteriously on the GPU, as I learned while
> trying to get the unittests to work [1] in our normal mac bots (which 
> are virtual machines and have no GPU).  I tried using a sw rendering
> context and a coupe of other circumventions but nothing really worked.
> 
> [1] early PSs in https://codereview.chromium.org/2677553003/
> 
> BUG=666143
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.mac:mac_optional_gpu_tests_rel
> 
> Review-Url: https://codereview.chromium.org/2739163003
> Cr-Commit-Position: refs/heads/master@{#456555}
> Committed:
https://chromium.googlesource.com/chromium/src/+/95d98937e0fb0baf11d7c3088a99...

TBR=rockot@chromium.org,kbr@chromium.org,rsesek@chromium.org,mcasas@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=666143

Review-Url: https://codereview.chromium.org/2749213002
Cr-Commit-Position: refs/heads/master@{#457035}
Committed:
https://chromium.googlesource.com/chromium/src/+/886e0b3390e48ca2dd0a361b9e27...
==========

[commit-bot: I haz the power, 2017-03-15 08:41:42]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/886e0b3390e48ca2dd0a361b9e27...