Revert of Move ThreadableLoader to Oilpan heap (3/3)

Revert of Move ThreadableLoader to Oilpan heap (3/3) (patchset #5 id:80001 of https://codereview.chromium.org/2193683004/ )

Reason for revert:
To investigate crashes reported at https://crbug.com/634546.

Original issue's description:
> Move ThreadableLoader to Oilpan heap (3/3)
>
> This CL is a refactoring and does not change the behavior.
>
> BUG=587663
>
> Committed: https://crrev.com/2ec047e0061d6c07339e404f918f34459ab6a7b8
> Cr-Commit-Position: refs/heads/master@{#409961}

TBR=haraken@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=587663
Committed: https://crrev.com/fc0e0664d4b347c5757b557e4838a070f801089e
Cr-Commit-Position: refs/heads/master@{#410312}

[yhirano, 2016-08-08 04:59:28]

The CQ bit was checked by yhirano@chromium.org

[yhirano, 2016-08-08 04:59:29]

Created Revert of Move ThreadableLoader to Oilpan heap (3/3)

[commit-bot: I haz the power, 2016-08-08 04:59:47]

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

[haraken, 2016-08-08 05:04:01]

LGTM

[commit-bot: I haz the power, 2016-08-08 07:18:06]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-08 07:19:54]

Description was changed from

==========
Revert of Move ThreadableLoader to Oilpan heap (3/3) (patchset #5 id:80001 of
https://codereview.chromium.org/2193683004/ )

Reason for revert:
To investigate crashes reported at https://crbug.com/634546.

Original issue's description:
> Move ThreadableLoader to Oilpan heap (3/3)
> 
> This CL is a refactoring and does not change the behavior.
> 
> BUG=587663
> 
> Committed: https://crrev.com/2ec047e0061d6c07339e404f918f34459ab6a7b8
> Cr-Commit-Position: refs/heads/master@{#409961}

TBR=haraken@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=587663
==========

to

==========
Revert of Move ThreadableLoader to Oilpan heap (3/3) (patchset #5 id:80001 of
https://codereview.chromium.org/2193683004/ )

Reason for revert:
To investigate crashes reported at https://crbug.com/634546.

Original issue's description:
> Move ThreadableLoader to Oilpan heap (3/3)
>
> This CL is a refactoring and does not change the behavior.
>
> BUG=587663
>
> Committed: https://crrev.com/2ec047e0061d6c07339e404f918f34459ab6a7b8
> Cr-Commit-Position: refs/heads/master@{#409961}

TBR=haraken@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=587663

Committed: https://crrev.com/fc0e0664d4b347c5757b557e4838a070f801089e
Cr-Commit-Position: refs/heads/master@{#410312}
==========

[commit-bot: I haz the power, 2016-08-08 07:19:55]

Patchset 1 (id:??) landed as
https://crrev.com/fc0e0664d4b347c5757b557e4838a070f801089e
Cr-Commit-Position: refs/heads/master@{#410312}