Restrict memory maps dump provider to only android and linux

Restrict memory maps dump provider to only android and linux

The memory maps dump provider is used only in android and linux, and
not yet supported in windows. So, this should be compiled only in linux
and android.

BUG=461788
Committed: https://crrev.com/cf0bd979e8594b8fe369ed3177038cb06c05f05b
Cr-Commit-Position: refs/heads/master@{#353029}

[ssid, 2015-10-07 14:07:24]

ssid@chromium.org changed reviewers:
+ primiano@chromium.org

[ssid, 2015-10-07 14:07:25]

PTAL, thanks

[Primiano Tucci (use gerrit), 2015-10-07 16:35:49]

https://codereview.chromium.org/1391933002/diff/20001/base/base.gypi
File base/base.gypi (right):

https://codereview.chromium.org/1391933002/diff/20001/base/base.gypi#newcode826
base/base.gypi:826: 'trace_event/process_memory_maps_dump_provider.cc',
why this change in base.gypi?

[ssid, 2015-10-08 09:28:33]

The nacl variable still did not work. I got other build errors. Finally I
decided to let it compile in nacl too. PTAL thanks

[Primiano Tucci (use gerrit), 2015-10-08 09:32:29]

LGTM

[ssid, 2015-10-08 09:33:55]

The CQ bit was checked by ssid@chromium.org to run a CQ dry run

[ssid, 2015-10-08 09:34:22]

Patchset #4 (id:60001) has been deleted

[ssid, 2015-10-08 09:34:46]

The CQ bit was unchecked by ssid@chromium.org

[ssid, 2015-10-08 09:34:55]

The CQ bit was checked by ssid@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-10-08 09:36:15]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1391933002/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1391933002/40001

[commit-bot: I haz the power, 2015-10-08 09:46:47]

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

[commit-bot: I haz the power, 2015-10-08 09:46:48]

Dry run: This issue passed the CQ dry run.

[ssid, 2015-10-08 10:06:51]

The CQ bit was checked by ssid@chromium.org

[commit-bot: I haz the power, 2015-10-08 10:08:29]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1391933002/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1391933002/40001

[commit-bot: I haz the power, 2015-10-08 10:22:19]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2015-10-08 10:23:13]

Patchset 3 (id:??) landed as
https://crrev.com/cf0bd979e8594b8fe369ed3177038cb06c05f05b
Cr-Commit-Position: refs/heads/master@{#353029}