Fix crashes in TracingBrowserTest.TestMemoryInfra

Fix crashes in TracingBrowserTest.TestMemoryInfra

The test may fail if the tracing is stopped before any of the memory
dumps are finished. Now it triggers an explicit memory dump and waits
till it is finished.

BUG=658054
Committed: https://crrev.com/a5b1973c322a9e6bc33dc4a8a2397e8df75d4b4c
Cr-Commit-Position: refs/heads/master@{#439893}

[ssid, 2016-12-15 03:03:50]

Description was changed from

==========
Fix TracingBrowserTest.TestMemoryInfra crashing.

The test may fail if the tracing is stopped before any of the memory
dumps are finished. Now it triggers an explicit memory dump and waits
till it is finished.

BUG=658054
==========

to

==========
Fix TracingBrowserTest.TestMemoryInfra crashing.

The test may fail if the tracing is stopped before any of the memory
dumps are finished. Now it triggers an explicit memory dump and waits
till it is finished.

BUG=658054
==========

[ssid, 2016-12-15 03:04:10]

Description was changed from

==========
Fix TracingBrowserTest.TestMemoryInfra crashing.

The test may fail if the tracing is stopped before any of the memory
dumps are finished. Now it triggers an explicit memory dump and waits
till it is finished.

BUG=658054
==========

to

==========
Fix crashes in TracingBrowserTest.TestMemoryInfra

The test may fail if the tracing is stopped before any of the memory
dumps are finished. Now it triggers an explicit memory dump and waits
till it is finished.

BUG=658054
==========

[ssid, 2016-12-15 03:07:31]

Patchset #1 (id:1) has been deleted

[ssid, 2016-12-15 04:02:03]

Patchset #1 (id:20001) has been deleted

[ssid, 2016-12-15 04:11:59]

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

[commit-bot: I haz the power, 2016-12-15 04:12:17]

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

[ssid, 2016-12-15 04:44:25]

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

[ssid, 2016-12-15 04:44:25]

ptal thanks

[commit-bot: I haz the power, 2016-12-15 04:56:53]

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

[commit-bot: I haz the power, 2016-12-15 04:56:54]

Dry run: This issue passed the CQ dry run.

[Primiano Tucci (use gerrit), 2016-12-20 19:29:57]

thanks, LGTM

[ssid, 2016-12-20 19:37:26]

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

[commit-bot: I haz the power, 2016-12-20 19:38:10]

Dry run: 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, 2016-12-20 22:10:43]

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

[commit-bot: I haz the power, 2016-12-20 22:10:44]

Dry run: This issue passed the CQ dry run.

[ssid, 2016-12-20 22:19:24]

The CQ bit was checked by ssid@chromium.org

[commit-bot: I haz the power, 2016-12-20 22:19:48]

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, 2016-12-20 22:27:07]

CQ is committing da patch.

Bot data: {"patchset_id": 40001, "attempt_start_ts": 1482272364508950,
"parent_rev": "4b32b217e6a190b596cb275a82eb95e8c1f3cb4b", "commit_rev":
"4889e79349ea9086f134dd2b0cf37355f1cac02b"}

[commit-bot: I haz the power, 2016-12-20 22:27:34]

Description was changed from

==========
Fix crashes in TracingBrowserTest.TestMemoryInfra

The test may fail if the tracing is stopped before any of the memory
dumps are finished. Now it triggers an explicit memory dump and waits
till it is finished.

BUG=658054
==========

to

==========
Fix crashes in TracingBrowserTest.TestMemoryInfra

The test may fail if the tracing is stopped before any of the memory
dumps are finished. Now it triggers an explicit memory dump and waits
till it is finished.

BUG=658054

Review-Url: https://codereview.chromium.org/2572393002
==========

[commit-bot: I haz the power, 2016-12-20 22:27:35]

Committed patchset #1 (id:40001)

[commit-bot: I haz the power, 2016-12-20 22:30:17]

Description was changed from

==========
Fix crashes in TracingBrowserTest.TestMemoryInfra

The test may fail if the tracing is stopped before any of the memory
dumps are finished. Now it triggers an explicit memory dump and waits
till it is finished.

BUG=658054

Review-Url: https://codereview.chromium.org/2572393002
==========

to

==========
Fix crashes in TracingBrowserTest.TestMemoryInfra

The test may fail if the tracing is stopped before any of the memory
dumps are finished. Now it triggers an explicit memory dump and waits
till it is finished.

BUG=658054

Committed: https://crrev.com/a5b1973c322a9e6bc33dc4a8a2397e8df75d4b4c
Cr-Commit-Position: refs/heads/master@{#439893}
==========

[commit-bot: I haz the power, 2016-12-20 22:30:18]

Patchset 1 (id:??) landed as
https://crrev.com/a5b1973c322a9e6bc33dc4a8a2397e8df75d4b4c
Cr-Commit-Position: refs/heads/master@{#439893}