Revert of [Extensions] Enable sideloading prompt on mac on canary

Revert of [Extensions] Enable sideloading prompt on mac on canary (patchset #3 id:40001 of https://codereview.chromium.org/2623033002/ )

Reason for revert:
Broke official mac compile

Original issue's description:
> [Extensions] Enable sideloading prompt on mac on canary
> 
> BUG=669277
> 
> Review-Url: https://codereview.chromium.org/2623033002
> Cr-Commit-Position: refs/heads/master@{#442983}
> Committed: https://chromium.googlesource.com/chromium/src/+/e7419b3ea146e6aa9ba26ec3fae255754f47cafb

TBR=lazyboy@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=669277
Review-Url: https://codereview.chromium.org/2628993002
Cr-Commit-Position: refs/heads/master@{#442993}
Committed: https://chromium.googlesource.com/chromium/src/+/a4bc484244add40a1859a67244622746c5629377

[Devlin, 2017-01-11 21:27:33]

The CQ bit was checked by rdevlin.cronin@chromium.org

[Devlin, 2017-01-11 21:27:33]

Created Revert of [Extensions] Enable sideloading prompt on mac on canary

[commit-bot: I haz the power, 2017-01-11 21:28:44]

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, 2017-01-11 21:29:36]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484170053143900, "parent_rev":
"2e36b96ae1199d1027734fb870f6c76c0630f410", "commit_rev":
"a4bc484244add40a1859a67244622746c5629377"}

[commit-bot: I haz the power, 2017-01-11 21:30:10]

Description was changed from

==========
Revert of [Extensions] Enable sideloading prompt on mac on canary (patchset #3
id:40001 of https://codereview.chromium.org/2623033002/ )

Reason for revert:
Broke official mac compile

Original issue's description:
> [Extensions] Enable sideloading prompt on mac on canary
> 
> BUG=669277
> 
> Review-Url: https://codereview.chromium.org/2623033002
> Cr-Commit-Position: refs/heads/master@{#442983}
> Committed:
https://chromium.googlesource.com/chromium/src/+/e7419b3ea146e6aa9ba26ec3fae2...

TBR=lazyboy@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=669277
==========

to

==========
Revert of [Extensions] Enable sideloading prompt on mac on canary (patchset #3
id:40001 of https://codereview.chromium.org/2623033002/ )

Reason for revert:
Broke official mac compile

Original issue's description:
> [Extensions] Enable sideloading prompt on mac on canary
> 
> BUG=669277
> 
> Review-Url: https://codereview.chromium.org/2623033002
> Cr-Commit-Position: refs/heads/master@{#442983}
> Committed:
https://chromium.googlesource.com/chromium/src/+/e7419b3ea146e6aa9ba26ec3fae2...

TBR=lazyboy@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=669277

Review-Url: https://codereview.chromium.org/2628993002
Cr-Commit-Position: refs/heads/master@{#442993}
Committed:
https://chromium.googlesource.com/chromium/src/+/a4bc484244add40a1859a6724462...
==========

[commit-bot: I haz the power, 2017-01-11 21:30:11]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/a4bc484244add40a1859a6724462...