Revert of Restrict use of two app-launching command line flags

Revert of Restrict use of two app-launching command line flags (patchset #8 id:140001 of https://codereview.chromium.org/2108853002/ )

Reason for revert:
Compile Error
chrome/browser/extensions/unpacked_installer.cc:43:12: error: unused variable 'kUnpackedExtensionInsteadOfAppError' [-Werror,-Wunused-const-variable]

On Official Builds

Original issue's description:
> Restrict use of two app-launching command line flags
> 
> Mitigate abuse of the load-and-launch-app and load-apps flags by
> disallowing loading of non-app extensions from these flags.
> 
> For the official build, the flags no-op instead of showing an error popup
> to avoid giving users with hijacked shortcuts a bad time (the error
> message is shown then Chrome shuts down)
> 
> BUG=624098
> 
> Committed: https://crrev.com/93c60cd3ef5908984e173112dc09345bb5714036
> Cr-Commit-Position: refs/heads/master@{#407824}

TBR=rdevlin.cronin@chromium.org,asargent@chromium.org,msw@chromium.org,proberge@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=624098

[robliao, 2016-07-26 16:57:51]

The CQ bit was checked by robliao@chromium.org

[robliao, 2016-07-26 16:57:51]

Created Revert of Restrict use of two app-launching command line flags

[commit-bot: I haz the power, 2016-07-26 16:58:11]

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, 2016-07-26 16:58:40]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-07-26 16:58:42]

Failed to apply the patch.

[proberge, 2016-07-26 16:59:46]

On 2016/07/26 16:58:42, commit-bot: I haz the power wrote:
> Failed to apply the patch.

Rolled back in https://codereview.chromium.org/2180853004/
Sorry about that!

[robliao, 2016-07-26 17:01:00]

The CQ bit was checked by robliao@chromium.org

[commit-bot: I haz the power, 2016-07-26 17:01:33]

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, 2016-07-26 17:02:07]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-07-26 17:02:08]

Failed to apply the patch.

[robliao, 2016-07-26 17:02:34]

Description was changed from

==========
Revert of Restrict use of two app-launching command line flags (patchset #8
id:140001 of https://codereview.chromium.org/2108853002/ )

Reason for revert:
Compile Error
chrome/browser/extensions/unpacked_installer.cc:43:12: error: unused variable
'kUnpackedExtensionInsteadOfAppError' [-Werror,-Wunused-const-variable]

On Official Builds

Original issue's description:
> Restrict use of two app-launching command line flags
> 
> Mitigate abuse of the load-and-launch-app and load-apps flags by
> disallowing loading of non-app extensions from these flags.
> 
> For the official build, the flags no-op instead of showing an error popup
> to avoid giving users with hijacked shortcuts a bad time (the error
> message is shown then Chrome shuts down)
> 
> BUG=624098
> 
> Committed: https://crrev.com/93c60cd3ef5908984e173112dc09345bb5714036
> Cr-Commit-Position: refs/heads/master@{#407824}

TBR=rdevlin.cronin@chromium.org,asargent@chromium.org,msw@chromium.org,prober...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=624098
==========

to

==========
Revert of Restrict use of two app-launching command line flags (patchset #8
id:140001 of https://codereview.chromium.org/2108853002/ )

Reason for revert:
Compile Error
chrome/browser/extensions/unpacked_installer.cc:43:12: error: unused variable
'kUnpackedExtensionInsteadOfAppError' [-Werror,-Wunused-const-variable]

On Official Builds

Original issue's description:
> Restrict use of two app-launching command line flags
> 
> Mitigate abuse of the load-and-launch-app and load-apps flags by
> disallowing loading of non-app extensions from these flags.
> 
> For the official build, the flags no-op instead of showing an error popup
> to avoid giving users with hijacked shortcuts a bad time (the error
> message is shown then Chrome shuts down)
> 
> BUG=624098
> 
> Committed: https://crrev.com/93c60cd3ef5908984e173112dc09345bb5714036
> Cr-Commit-Position: refs/heads/master@{#407824}

TBR=rdevlin.cronin@chromium.org,asargent@chromium.org,msw@chromium.org,prober...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=624098
==========

[robliao, 2016-07-26 17:02:46]

On 2016/07/26 17:02:08, commit-bot: I haz the power wrote:
> Failed to apply the patch.

All good. Thanks for the revert.