Revert of [Tracing] Adjust allocation register size for low-end devices

Revert of [Tracing] Adjust allocation register size for low-end devices (patchset #4 id:60001 of https://codereview.chromium.org/1530583003/ )

Reason for revert:
Breaks Win GN compile (warning C4267: 'argument' : conversion from 'size_t' to 'uint32_t', possible loss of data): https://build.chromium.org/p/chromium.win/builders/Win%20x64%20GN/builds/9247/steps/compile/logs/stdio

Original issue's description:
> [Tracing] Adjust allocation register size for low-end devices
>
> This patch limits the size of the allocation register and prevents OOM
> errors when running AllocationRegisterTest.OverflowDeathTest on low-end
> devices.
>
> BUG=570242
>
> Committed: https://crrev.com/684e479f9a46580b5d5bdcf58944b832f6317dc1
> Cr-Commit-Position: refs/heads/master@{#365905}

TBR=primiano@chromium.org,ruuda@google.com,seantopping@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=570242
Committed: https://crrev.com/a9f7ec25e3ec1d2c6c56fc0a8ce28980c1412d66
Cr-Commit-Position: refs/heads/master@{#366061}

[phoglund_chromium, 2015-12-18 09:00:32]

Created Revert of [Tracing] Adjust allocation register size for low-end devices

[commit-bot: I haz the power, 2015-12-18 09:00:43]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1535063003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1535063003/1

[commit-bot: I haz the power, 2015-12-18 09:02:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1535063003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1535063003/1

[commit-bot: I haz the power, 2015-12-18 09:03:11]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-18 09:04:09]

Description was changed from

==========
Revert of [Tracing] Adjust allocation register size for low-end devices
(patchset #4 id:60001 of https://codereview.chromium.org/1530583003/ )

Reason for revert:
Breaks Win GN compile (warning C4267: 'argument' : conversion from 'size_t' to
'uint32_t', possible loss of data):
https://build.chromium.org/p/chromium.win/builders/Win%20x64%20GN/builds/9247...

Original issue's description:
> [Tracing] Adjust allocation register size for low-end devices
> 
> This patch limits the size of the allocation register and prevents OOM
> errors when running AllocationRegisterTest.OverflowDeathTest on low-end
> devices.
> 
> BUG=570242
> 
> Committed: https://crrev.com/684e479f9a46580b5d5bdcf58944b832f6317dc1
> Cr-Commit-Position: refs/heads/master@{#365905}

TBR=primiano@chromium.org,ruuda@google.com,seantopping@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=570242
==========

to

==========
Revert of [Tracing] Adjust allocation register size for low-end devices
(patchset #4 id:60001 of https://codereview.chromium.org/1530583003/ )

Reason for revert:
Breaks Win GN compile (warning C4267: 'argument' : conversion from 'size_t' to
'uint32_t', possible loss of data):
https://build.chromium.org/p/chromium.win/builders/Win%20x64%20GN/builds/9247...

Original issue's description:
> [Tracing] Adjust allocation register size for low-end devices
>
> This patch limits the size of the allocation register and prevents OOM
> errors when running AllocationRegisterTest.OverflowDeathTest on low-end
> devices.
>
> BUG=570242
>
> Committed: https://crrev.com/684e479f9a46580b5d5bdcf58944b832f6317dc1
> Cr-Commit-Position: refs/heads/master@{#365905}

TBR=primiano@chromium.org,ruuda@google.com,seantopping@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=570242

Committed: https://crrev.com/a9f7ec25e3ec1d2c6c56fc0a8ce28980c1412d66
Cr-Commit-Position: refs/heads/master@{#366061}
==========

[commit-bot: I haz the power, 2015-12-18 09:04:10]

Patchset 1 (id:??) landed as
https://crrev.com/a9f7ec25e3ec1d2c6c56fc0a8ce28980c1412d66
Cr-Commit-Position: refs/heads/master@{#366061}