Revert of GetTimeToCallback() returns estimated time to callback.

Revert of GetTimeToCallback() returns estimated time to callback. (patchset #5 id:80001 of https://codereview.chromium.org/2557663002/ )

Reason for revert:
Removing Timer::GetTimeToCallback() as discussed post commit on CL introducing it.

Original issue's description:
> GetTimeToCallback() returns estimated time to callback.
> 
> BUG=none
> TEST=unit tests
> 
> Committed: https://crrev.com/ceb6d93b695b137481f050f5b967d882a77b7398
> Cr-Commit-Position: refs/heads/master@{#439174}

TBR=mark@chromium.org,drcrash@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=none

Review-Url: https://codereview.chromium.org/2621663002
Cr-Commit-Position: refs/heads/master@{#442290}
Committed: https://chromium.googlesource.com/chromium/src/+/f115664eb4b48daa35590c365d7db577f3514c0c

[gab, 2017-01-09 16:17:06]

The CQ bit was checked by gab@chromium.org

[gab, 2017-01-09 16:17:07]

Created Revert of GetTimeToCallback() returns estimated time to callback.

[commit-bot: I haz the power, 2017-01-09 16:17:31]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Mark Mentovai, 2017-01-09 17:32:13]

LGTM

[commit-bot: I haz the power, 2017-01-09 18:03:03]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1483978626648530, "parent_rev":
"7248090752b13519ac2458db2e0bd109998f6de1", "commit_rev":
"f115664eb4b48daa35590c365d7db577f3514c0c"}

[commit-bot: I haz the power, 2017-01-09 18:03:32]

Description was changed from

==========
Revert of GetTimeToCallback() returns estimated time to callback. (patchset #5
id:80001 of https://codereview.chromium.org/2557663002/ )

Reason for revert:
Removing Timer::GetTimeToCallback() as discussed post commit on CL introducing
it.

Original issue's description:
> GetTimeToCallback() returns estimated time to callback.
> 
> BUG=none
> TEST=unit tests
> 
> Committed: https://crrev.com/ceb6d93b695b137481f050f5b967d882a77b7398
> Cr-Commit-Position: refs/heads/master@{#439174}

TBR=mark@chromium.org,drcrash@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=none
==========

to

==========
Revert of GetTimeToCallback() returns estimated time to callback. (patchset #5
id:80001 of https://codereview.chromium.org/2557663002/ )

Reason for revert:
Removing Timer::GetTimeToCallback() as discussed post commit on CL introducing
it.

Original issue's description:
> GetTimeToCallback() returns estimated time to callback.
> 
> BUG=none
> TEST=unit tests
> 
> Committed: https://crrev.com/ceb6d93b695b137481f050f5b967d882a77b7398
> Cr-Commit-Position: refs/heads/master@{#439174}

TBR=mark@chromium.org,drcrash@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=none

Review-Url: https://codereview.chromium.org/2621663002
Cr-Commit-Position: refs/heads/master@{#442290}
Committed:
https://chromium.googlesource.com/chromium/src/+/f115664eb4b48daa35590c365d7d...
==========

[commit-bot: I haz the power, 2017-01-09 18:03:33]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/f115664eb4b48daa35590c365d7d...