Revert of Add best-effort/allow rollback flags on WorkItem.

Revert of Add best-effort/allow rollback flags on WorkItem. (patchset #11 id:200001 of https://codereview.chromium.org/1882923003/ )

Reason for revert:
This broke the build:

..\..\chrome\installer\setup\app_launcher_installer.cc(52,9):  error: no member
named 'set_ignore_failure' in 'WorkItem'
      ->set_ignore_failure(true);
        ^

Original issue's description:
> Add best-effort/allow rollback flags on WorkItem.
>
> When the best-effort flag is set to true, Do() always return true
> (i.e. it will never cause failure of its parent WorkItemList).
>
> When the allow rollback flag is set to false, Rollback() is a no-op.
>
> BUG=601936
>
> Committed: https://crrev.com/e63a3064da66ff91ca8cccbb0c279185b0b93321
> Cr-Commit-Position: refs/heads/master@{#393652}

TBR=grt@chromium.org,stgao@chromium.org,fdoray@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=601936
Committed: https://crrev.com/3fa7e2581d1da516a99020c1a4a8ef6d414313ad
Cr-Commit-Position: refs/heads/master@{#393736}

[hans, 2016-05-14 19:55:14]

Created Revert of Add best-effort/allow rollback flags on WorkItem.

[commit-bot: I haz the power, 2016-05-14 19:55:41]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1976443005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1976443005/1

[commit-bot: I haz the power, 2016-05-14 19:57:45]

Description was changed from

==========
Revert of Add best-effort/allow rollback flags on WorkItem. (patchset #11
id:200001 of https://codereview.chromium.org/1882923003/ )

Reason for revert:
This broke the build:

..\..\chrome\installer\setup\app_launcher_installer.cc(52,9):  error: no member
named 'set_ignore_failure' in 'WorkItem'
      ->set_ignore_failure(true);
        ^

Original issue's description:
> Add best-effort/allow rollback flags on WorkItem.
> 
> When the best-effort flag is set to true, Do() always return true
> (i.e. it will never cause failure of its parent WorkItemList).
> 
> When the allow rollback flag is set to false, Rollback() is a no-op.
> 
> BUG=601936
> 
> Committed: https://crrev.com/e63a3064da66ff91ca8cccbb0c279185b0b93321
> Cr-Commit-Position: refs/heads/master@{#393652}

TBR=grt@chromium.org,stgao@chromium.org,fdoray@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=601936
==========

to

==========
Revert of Add best-effort/allow rollback flags on WorkItem. (patchset #11
id:200001 of https://codereview.chromium.org/1882923003/ )

Reason for revert:
This broke the build:

..\..\chrome\installer\setup\app_launcher_installer.cc(52,9):  error: no member
named 'set_ignore_failure' in 'WorkItem'
      ->set_ignore_failure(true);
        ^

Original issue's description:
> Add best-effort/allow rollback flags on WorkItem.
> 
> When the best-effort flag is set to true, Do() always return true
> (i.e. it will never cause failure of its parent WorkItemList).
> 
> When the allow rollback flag is set to false, Rollback() is a no-op.
> 
> BUG=601936
> 
> Committed: https://crrev.com/e63a3064da66ff91ca8cccbb0c279185b0b93321
> Cr-Commit-Position: refs/heads/master@{#393652}

TBR=grt@chromium.org,stgao@chromium.org,fdoray@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=601936
==========

[commit-bot: I haz the power, 2016-05-14 19:57:46]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-14 19:58:59]

Description was changed from

==========
Revert of Add best-effort/allow rollback flags on WorkItem. (patchset #11
id:200001 of https://codereview.chromium.org/1882923003/ )

Reason for revert:
This broke the build:

..\..\chrome\installer\setup\app_launcher_installer.cc(52,9):  error: no member
named 'set_ignore_failure' in 'WorkItem'
      ->set_ignore_failure(true);
        ^

Original issue's description:
> Add best-effort/allow rollback flags on WorkItem.
> 
> When the best-effort flag is set to true, Do() always return true
> (i.e. it will never cause failure of its parent WorkItemList).
> 
> When the allow rollback flag is set to false, Rollback() is a no-op.
> 
> BUG=601936
> 
> Committed: https://crrev.com/e63a3064da66ff91ca8cccbb0c279185b0b93321
> Cr-Commit-Position: refs/heads/master@{#393652}

TBR=grt@chromium.org,stgao@chromium.org,fdoray@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=601936
==========

to

==========
Revert of Add best-effort/allow rollback flags on WorkItem. (patchset #11
id:200001 of https://codereview.chromium.org/1882923003/ )

Reason for revert:
This broke the build:

..\..\chrome\installer\setup\app_launcher_installer.cc(52,9):  error: no member
named 'set_ignore_failure' in 'WorkItem'
      ->set_ignore_failure(true);
        ^

Original issue's description:
> Add best-effort/allow rollback flags on WorkItem.
>
> When the best-effort flag is set to true, Do() always return true
> (i.e. it will never cause failure of its parent WorkItemList).
>
> When the allow rollback flag is set to false, Rollback() is a no-op.
>
> BUG=601936
>
> Committed: https://crrev.com/e63a3064da66ff91ca8cccbb0c279185b0b93321
> Cr-Commit-Position: refs/heads/master@{#393652}

TBR=grt@chromium.org,stgao@chromium.org,fdoray@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=601936

Committed: https://crrev.com/3fa7e2581d1da516a99020c1a4a8ef6d414313ad
Cr-Commit-Position: refs/heads/master@{#393736}
==========

[commit-bot: I haz the power, 2016-05-14 19:59:00]

Patchset 1 (id:??) landed as
https://crrev.com/3fa7e2581d1da516a99020c1a4a8ef6d414313ad
Cr-Commit-Position: refs/heads/master@{#393736}