Revert of Communicate ExtensionSettings policy to renderers

Revert of Communicate ExtensionSettings policy to renderers (patchset #19 id:500001 of https://codereview.chromium.org/2499493004/ )

Reason for revert:
This likely broke MSan. Details in
BUG=712641
Original issue's description:
> Communicate ExtensionSettings policy to renderers
> 
> -Communicate which hosts are runtime blocked to all renderers
> -Blocks host permissions for specific hosts by specific extensions
> -Tests via blocking content script injection
> -Introduces new test class for use with ExtensionSettings policy
> 
> BUG=624649
> 
> Review-Url: https://codereview.chromium.org/2499493004
> Cr-Commit-Position: refs/heads/master@{#464954}
> Committed: https://chromium.googlesource.com/chromium/src/+/c2f02148125c69bdce012802d9a467d725965a93

TBR=dcheng@chromium.org,nrpeter@chromium.org,rdevlin.cronin@chromium.org,zmin@chromium.org,pastarmovj@chromium.org,nrpeter@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=624649
Review-Url: https://codereview.chromium.org/2820333003
Cr-Commit-Position: refs/heads/master@{#465230}
Committed: https://chromium.googlesource.com/chromium/src/+/645e0abfe9d2c10a3a79756566e48f5440af70c7

[vabr (Chromium), 2017-04-18 14:25:08]

The CQ bit was checked by vabr@chromium.org

[vabr (Chromium), 2017-04-18 14:25:08]

Created Revert of Communicate ExtensionSettings policy to renderers

[commit-bot: I haz the power, 2017-04-18 14:25:27]

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, 2017-04-18 14:27:50]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1492525508245470, "parent_rev":
"eeeb0d0ec28227aba875195e0f20076414fc4596", "commit_rev":
"645e0abfe9d2c10a3a79756566e48f5440af70c7"}

[commit-bot: I haz the power, 2017-04-18 14:27:58]

Description was changed from

==========
Revert of Communicate ExtensionSettings policy to renderers (patchset #19
id:500001 of https://codereview.chromium.org/2499493004/ )

Reason for revert:
This likely broke MSan. Details in
BUG=712641

Original issue's description:
> Communicate ExtensionSettings policy to renderers
> 
> -Communicate which hosts are runtime blocked to all renderers
> -Blocks host permissions for specific hosts by specific extensions
> -Tests via blocking content script injection
> -Introduces new test class for use with ExtensionSettings policy
> 
> BUG=624649
> 
> Review-Url: https://codereview.chromium.org/2499493004
> Cr-Commit-Position: refs/heads/master@{#464954}
> Committed:
https://chromium.googlesource.com/chromium/src/+/c2f02148125c69bdce012802d9a4...

TBR=dcheng@chromium.org,nrpeter@chromium.org,rdevlin.cronin@chromium.org,zmin...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=624649
==========

to

==========
Revert of Communicate ExtensionSettings policy to renderers (patchset #19
id:500001 of https://codereview.chromium.org/2499493004/ )

Reason for revert:
This likely broke MSan. Details in
BUG=712641

Original issue's description:
> Communicate ExtensionSettings policy to renderers
> 
> -Communicate which hosts are runtime blocked to all renderers
> -Blocks host permissions for specific hosts by specific extensions
> -Tests via blocking content script injection
> -Introduces new test class for use with ExtensionSettings policy
> 
> BUG=624649
> 
> Review-Url: https://codereview.chromium.org/2499493004
> Cr-Commit-Position: refs/heads/master@{#464954}
> Committed:
https://chromium.googlesource.com/chromium/src/+/c2f02148125c69bdce012802d9a4...

TBR=dcheng@chromium.org,nrpeter@chromium.org,rdevlin.cronin@chromium.org,zmin...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=624649

Review-Url: https://codereview.chromium.org/2820333003
Cr-Commit-Position: refs/heads/master@{#465230}
Committed:
https://chromium.googlesource.com/chromium/src/+/645e0abfe9d2c10a3a79756566e4...
==========

[commit-bot: I haz the power, 2017-04-18 14:27:59]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/645e0abfe9d2c10a3a79756566e4...