Revert of Plumbing for login apps device policy to extensions.

Revert of Plumbing for login apps device policy to extensions. (patchset #6 id:100001 of https://codereview.chromium.org/2306143002/ )

Reason for revert:
After this change, Chrome keeps crashing on the login screen (reproduced on a minnie device).

Original issue's description:
> Plumbing for login apps device policy to extensions.
>
> This CL succeeeds the CL #2150483004
>
> ChromeProcessManagerDelegate:
> * Enable background pages for apps in the login profile when
> command-line switch --enable-login-apps is set.
>
> ExtensionManagement:
> * Factor out common code into GetInstallListByMode from
> GetForceInstallList and GetRecommendedInstallList.
> * Common function UpdateForcedExtensions.
>
> ExtensionSystemImpl:
> * Enable extensions in login profile when command-line switch
> --enable-login-apps is set.
>
> ExternalProviderImpl:
> * In CreateExternalProviders, create an ExternalPolicyLoader for login
> apps in the login profile.
>
> ExtensionInstallListPolicyHandler:
> * Common base class to parse login and force extension install lists.
>
> * Switch --enable-login-apps to enable login apps.
> * Extension pref extensions.install.loginlist.
>
> BUG=576464
>
> Committed: https://crrev.com/3bbfabe266cd5138393d3e87229de567d19da005
> Cr-Commit-Position: refs/heads/master@{#432917}

TBR=emaxx@chromium.org,asargent@chromium.org,bartfab@chromium.org,achuith@chromium.org,antrim@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=576464
Committed: https://crrev.com/146e05ac852f0ded1245c8f1a039c455d1ace7d8
Cr-Commit-Position: refs/heads/master@{#433142}

[hashimoto, 2016-11-18 07:41:51]

The CQ bit was checked by hashimoto@chromium.org

[hashimoto, 2016-11-18 07:41:52]

Created Revert of Plumbing for login apps device policy to extensions.

[commit-bot: I haz the power, 2016-11-18 07:42:19]

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, 2016-11-18 07:43:23]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-18 07:47:21]

Description was changed from

==========
Revert of Plumbing for login apps device policy to extensions. (patchset #6
id:100001 of https://codereview.chromium.org/2306143002/ )

Reason for revert:
After this change, Chrome keeps crashing on the login screen (reproduced on a
minnie device).

Original issue's description:
> Plumbing for login apps device policy to extensions.
> 
> This CL succeeeds the CL #2150483004
> 
> ChromeProcessManagerDelegate:
> * Enable background pages for apps in the login profile when
> command-line switch --enable-login-apps is set.
> 
> ExtensionManagement:
> * Factor out common code into GetInstallListByMode from
> GetForceInstallList and GetRecommendedInstallList.
> * Common function UpdateForcedExtensions.
> 
> ExtensionSystemImpl:
> * Enable extensions in login profile when command-line switch
> --enable-login-apps is set.
> 
> ExternalProviderImpl:
> * In CreateExternalProviders, create an ExternalPolicyLoader for login
> apps in the login profile.
> 
> ExtensionInstallListPolicyHandler:
> * Common base class to parse login and force extension install lists.
> 
> * Switch --enable-login-apps to enable login apps.
> * Extension pref extensions.install.loginlist.
> 
> BUG=576464
> 
> Committed: https://crrev.com/3bbfabe266cd5138393d3e87229de567d19da005
> Cr-Commit-Position: refs/heads/master@{#432917}

TBR=emaxx@chromium.org,asargent@chromium.org,bartfab@chromium.org,achuith@chr...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=576464
==========

to

==========
Revert of Plumbing for login apps device policy to extensions. (patchset #6
id:100001 of https://codereview.chromium.org/2306143002/ )

Reason for revert:
After this change, Chrome keeps crashing on the login screen (reproduced on a
minnie device).

Original issue's description:
> Plumbing for login apps device policy to extensions.
>
> This CL succeeeds the CL #2150483004
>
> ChromeProcessManagerDelegate:
> * Enable background pages for apps in the login profile when
> command-line switch --enable-login-apps is set.
>
> ExtensionManagement:
> * Factor out common code into GetInstallListByMode from
> GetForceInstallList and GetRecommendedInstallList.
> * Common function UpdateForcedExtensions.
>
> ExtensionSystemImpl:
> * Enable extensions in login profile when command-line switch
> --enable-login-apps is set.
>
> ExternalProviderImpl:
> * In CreateExternalProviders, create an ExternalPolicyLoader for login
> apps in the login profile.
>
> ExtensionInstallListPolicyHandler:
> * Common base class to parse login and force extension install lists.
>
> * Switch --enable-login-apps to enable login apps.
> * Extension pref extensions.install.loginlist.
>
> BUG=576464
>
> Committed: https://crrev.com/3bbfabe266cd5138393d3e87229de567d19da005
> Cr-Commit-Position: refs/heads/master@{#432917}

TBR=emaxx@chromium.org,asargent@chromium.org,bartfab@chromium.org,achuith@chr...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=576464

Committed: https://crrev.com/146e05ac852f0ded1245c8f1a039c455d1ace7d8
Cr-Commit-Position: refs/heads/master@{#433142}
==========

[commit-bot: I haz the power, 2016-11-18 07:47:22]

Patchset 1 (id:??) landed as
https://crrev.com/146e05ac852f0ded1245c8f1a039c455d1ace7d8
Cr-Commit-Position: refs/heads/master@{#433142}