Revert of ONC: Fix handling of invalid proxy scheme.

Revert of ONC: Fix handling of invalid proxy scheme. (patchset #4 id:60001 of https://codereview.chromium.org/2608803002/ )

Reason for revert:
The modified test is failing on Linux ChromiumOS Tests (dbg)(1)

https://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20Tests%20%28dbg%29%281%29

An example failure:
https://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20Tests%20%28dbg%29%281%29/builds/21284/steps/chromeos_unittests/logs/stdio

Original issue's description:
> ONC: Fix handling of invalid proxy scheme.
> 
> It is common for a proxy configuration URL to be added as 'foo.com'
> instead of 'http://foo.com'. Rather than relying on all UI to
> validate the input, we should do so in the ONC conversion.
> 
> BUG=677357
> 
> Review-Url: https://codereview.chromium.org/2608803002
> Cr-Commit-Position: refs/heads/master@{#442378}
> Committed: https://chromium.googlesource.com/chromium/src/+/a8a349eb13605f30e1aa6c096f4c4ea28ba11bc9

TBR=emaxx@chromium.org,mnissler@chromium.org,pkasting@chromium.org,stevenjb@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=677357
Review-Url: https://codereview.chromium.org/2619803003
Cr-Commit-Position: refs/heads/master@{#442458}
Committed: https://chromium.googlesource.com/chromium/src/+/23a69173a82474bd2981f5f75766e37f75ebbfb0

[Timothy Loh, 2017-01-10 02:50:29]

The CQ bit was checked by timloh@chromium.org

[Timothy Loh, 2017-01-10 02:50:30]

Created Revert of ONC: Fix handling of invalid proxy scheme.

[commit-bot: I haz the power, 2017-01-10 02:51:22]

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, 2017-01-10 03:00:30]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484016629566090, "parent_rev":
"1297046888300e6524fd1aab198e78bf67481674", "commit_rev":
"23a69173a82474bd2981f5f75766e37f75ebbfb0"}

[commit-bot: I haz the power, 2017-01-10 03:01:01]

Description was changed from

==========
Revert of ONC: Fix handling of invalid proxy scheme. (patchset #4 id:60001 of
https://codereview.chromium.org/2608803002/ )

Reason for revert:
The modified test is failing on Linux ChromiumOS Tests (dbg)(1)

https://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%...

An example failure:
https://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%...

Original issue's description:
> ONC: Fix handling of invalid proxy scheme.
> 
> It is common for a proxy configuration URL to be added as 'foo.com'
> instead of 'http://foo.com'. Rather than relying on all UI to
> validate the input, we should do so in the ONC conversion.
> 
> BUG=677357
> 
> Review-Url: https://codereview.chromium.org/2608803002
> Cr-Commit-Position: refs/heads/master@{#442378}
> Committed:
https://chromium.googlesource.com/chromium/src/+/a8a349eb13605f30e1aa6c096f4c...

TBR=emaxx@chromium.org,mnissler@chromium.org,pkasting@chromium.org,stevenjb@c...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=677357
==========

to

==========
Revert of ONC: Fix handling of invalid proxy scheme. (patchset #4 id:60001 of
https://codereview.chromium.org/2608803002/ )

Reason for revert:
The modified test is failing on Linux ChromiumOS Tests (dbg)(1)

https://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%...

An example failure:
https://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%...

Original issue's description:
> ONC: Fix handling of invalid proxy scheme.
> 
> It is common for a proxy configuration URL to be added as 'foo.com'
> instead of 'http://foo.com'. Rather than relying on all UI to
> validate the input, we should do so in the ONC conversion.
> 
> BUG=677357
> 
> Review-Url: https://codereview.chromium.org/2608803002
> Cr-Commit-Position: refs/heads/master@{#442378}
> Committed:
https://chromium.googlesource.com/chromium/src/+/a8a349eb13605f30e1aa6c096f4c...

TBR=emaxx@chromium.org,mnissler@chromium.org,pkasting@chromium.org,stevenjb@c...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=677357

Review-Url: https://codereview.chromium.org/2619803003
Cr-Commit-Position: refs/heads/master@{#442458}
Committed:
https://chromium.googlesource.com/chromium/src/+/23a69173a82474bd2981f5f75766...
==========

[commit-bot: I haz the power, 2017-01-10 03:01:02]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/23a69173a82474bd2981f5f75766...