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:
win64 GN builders are broken:
e:\b\build\slave\win_x64_gn\build\src\base\trace_event\heap_profiler_allocation_register_unittest.cc(210) : error C2220: warning treated as error - no 'object' file generated
e:\b\build\slave\win_x64_gn\build\src\base\trace_event\heap_profiler_allocation_register_unittest.cc(210) : warning C4267: 'argument' : conversion from 'size_t' to 'uint32_t', possible loss of data


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

[dcheng, 2015-12-18 09:03:31]

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

[commit-bot: I haz the power, 2015-12-18 09:03:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1538783003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1538783003/1

[commit-bot: I haz the power, 2015-12-18 09:04:28]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-12-18 09:04:29]

Failed to apply the patch.

[commit-bot: I haz the power, 2015-12-18 09:04:55]

The CQ bit was unchecked by commit-bot@chromium.org

[Ruud van Asseldonk, 2015-12-18 09:24:28]

https://codereview.chromium.org/1538783003/diff/1/base/trace_event/heap_profi...
File base/trace_event/heap_profiler_allocation_register_unittest.cc (left):

https://codereview.chromium.org/1538783003/diff/1/base/trace_event/heap_profi...
base/trace_event/heap_profiler_allocation_register_unittest.cc:210:
AllocationRegister reg(GetNumCellsPerPage());
It might be simpler to just fix the bug and explicitly cast this to an uint32_t
than to do the revert.

[Ruud van Asseldonk, 2015-12-18 09:28:11]

On 2015/12/18 09:24:28, Ruud van Asseldonk wrote:
>
https://codereview.chromium.org/1538783003/diff/1/base/trace_event/heap_profi...
> File base/trace_event/heap_profiler_allocation_register_unittest.cc (left):
> 
>
https://codereview.chromium.org/1538783003/diff/1/base/trace_event/heap_profi...
> base/trace_event/heap_profiler_allocation_register_unittest.cc:210:
> AllocationRegister reg(GetNumCellsPerPage());
> It might be simpler to just fix the bug and explicitly cast this to an
uint32_t
> than to do the revert.

Ah, it was conflicting with the other revert, never mind.