Revert of [heap] Decouple old generation allocation limit from external memory.

Revert of [heap] Decouple old generation allocation limit from external memory. (patchset #1 id:1 of https://codereview.chromium.org/2329993002/ )

Reason for revert:
Regressions in telemetry benchmarks:
crbug.com/646819.

Original issue's description:
> [heap] Decouple old generation allocation limit from external memory.
>
> We check for external memory limit in Heap::ReportExternalMemoryPressure.
>
> BUG=chromium:616434
>
> Committed: https://crrev.com/672d079ccba686019fa1457c83b42c2e692ef88b
> Cr-Commit-Position: refs/heads/master@{#39374}

TBR=hpayer@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:616434
Committed: https://crrev.com/eeb4f28aed721c343d43be6e454fafba4c0f7ea6
Cr-Commit-Position: refs/heads/master@{#39442}

[ulan, 2016-09-15 09:41:04]

The CQ bit was checked by ulan@chromium.org

[ulan, 2016-09-15 09:41:05]

Created Revert of [heap] Decouple old generation allocation limit from external
memory.

[commit-bot: I haz the power, 2016-09-15 09:41:15]

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, 2016-09-15 10:13:46]

Description was changed from

==========
Revert of [heap] Decouple old generation allocation limit from external memory.
(patchset #1 id:1 of https://codereview.chromium.org/2329993002/ )

Reason for revert:
Regressions in telemetry benchmarks:
crbug.com/646819. 

Original issue's description:
> [heap] Decouple old generation allocation limit from external memory.
> 
> We check for external memory limit in Heap::ReportExternalMemoryPressure.
> 
> BUG=chromium:616434
> 
> Committed: https://crrev.com/672d079ccba686019fa1457c83b42c2e692ef88b
> Cr-Commit-Position: refs/heads/master@{#39374}

TBR=hpayer@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:616434
==========

to

==========
Revert of [heap] Decouple old generation allocation limit from external memory.
(patchset #1 id:1 of https://codereview.chromium.org/2329993002/ )

Reason for revert:
Regressions in telemetry benchmarks:
crbug.com/646819. 

Original issue's description:
> [heap] Decouple old generation allocation limit from external memory.
> 
> We check for external memory limit in Heap::ReportExternalMemoryPressure.
> 
> BUG=chromium:616434
> 
> Committed: https://crrev.com/672d079ccba686019fa1457c83b42c2e692ef88b
> Cr-Commit-Position: refs/heads/master@{#39374}

TBR=hpayer@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:616434
==========

[commit-bot: I haz the power, 2016-09-15 10:13:47]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-15 10:14:29]

Description was changed from

==========
Revert of [heap] Decouple old generation allocation limit from external memory.
(patchset #1 id:1 of https://codereview.chromium.org/2329993002/ )

Reason for revert:
Regressions in telemetry benchmarks:
crbug.com/646819. 

Original issue's description:
> [heap] Decouple old generation allocation limit from external memory.
> 
> We check for external memory limit in Heap::ReportExternalMemoryPressure.
> 
> BUG=chromium:616434
> 
> Committed: https://crrev.com/672d079ccba686019fa1457c83b42c2e692ef88b
> Cr-Commit-Position: refs/heads/master@{#39374}

TBR=hpayer@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:616434
==========

to

==========
Revert of [heap] Decouple old generation allocation limit from external memory.
(patchset #1 id:1 of https://codereview.chromium.org/2329993002/ )

Reason for revert:
Regressions in telemetry benchmarks:
crbug.com/646819.

Original issue's description:
> [heap] Decouple old generation allocation limit from external memory.
>
> We check for external memory limit in Heap::ReportExternalMemoryPressure.
>
> BUG=chromium:616434
>
> Committed: https://crrev.com/672d079ccba686019fa1457c83b42c2e692ef88b
> Cr-Commit-Position: refs/heads/master@{#39374}

TBR=hpayer@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:616434

Committed: https://crrev.com/eeb4f28aed721c343d43be6e454fafba4c0f7ea6
Cr-Commit-Position: refs/heads/master@{#39442}
==========

[commit-bot: I haz the power, 2016-09-15 10:14:29]

Patchset 1 (id:??) landed as
https://crrev.com/eeb4f28aed721c343d43be6e454fafba4c0f7ea6
Cr-Commit-Position: refs/heads/master@{#39442}