Fix flakiness when disabling swap out timer in tests.

Fix flakiness when disabling swap out timer in tests.

The swap out timer could still fire in tests that were trying to
reset it, so use another approach that disables the timer ahead
of time.

BUG=600957, 554825
TEST=Tests stay green.
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation

Committed: https://crrev.com/ecf91fe4382775df7e1be7f237ca5a767d2e9df1
Cr-Commit-Position: refs/heads/master@{#386429}

[Charlie Reis, 2016-04-10 04:35:36]

Description was changed from

==========
Fix flakiness when disabling swap out timer in tests.

The swap out timer could still fire in tests that were trying to
reset it, so use another approach that disables the timer ahead
of time.

BUG=600957, 554825
TEST=Tests stay green.
==========

to

==========
Fix flakiness when disabling swap out timer in tests.

The swap out timer could still fire in tests that were trying to
reset it, so use another approach that disables the timer ahead
of time.

BUG=600957, 554825
TEST=Tests stay green.
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation
==========

[Charlie Reis, 2016-04-11 16:23:55]

creis@chromium.org changed reviewers:
+ alexmos@chromium.org

[Charlie Reis, 2016-04-11 16:23:56]

Alex, can you take a look?  This will hopefully fix these tests on the slow
memory bots.  (I tested it by setting the timeout to 1 ms, which caused them to
fail without the fix.)

[Charlie Reis, 2016-04-11 16:24:12]

Description was changed from

==========
Fix flakiness when disabling swap out timer in tests.

The swap out timer could still fire in tests that were trying to
reset it, so use another approach that disables the timer ahead
of time.

BUG=600957, 554825
TEST=Tests stay green.
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation
==========

to

==========
Fix flakiness when disabling swap out timer in tests.

The swap out timer could still fire in tests that were trying to
reset it, so use another approach that disables the timer ahead
of time.

BUG=600957, 554825
TEST=Tests stay green.
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation
==========

[alexmos, 2016-04-11 16:44:49]

Nice, LGTM.

[Charlie Reis, 2016-04-11 16:47:30]

The CQ bit was checked by creis@chromium.org

[commit-bot: I haz the power, 2016-04-11 16:47:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1874923002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1874923002/20001

[commit-bot: I haz the power, 2016-04-11 18:49:15]

Description was changed from

==========
Fix flakiness when disabling swap out timer in tests.

The swap out timer could still fire in tests that were trying to
reset it, so use another approach that disables the timer ahead
of time.

BUG=600957, 554825
TEST=Tests stay green.
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation
==========

to

==========
Fix flakiness when disabling swap out timer in tests.

The swap out timer could still fire in tests that were trying to
reset it, so use another approach that disables the timer ahead
of time.

BUG=600957, 554825
TEST=Tests stay green.
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation
==========

[commit-bot: I haz the power, 2016-04-11 18:49:16]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-04-11 18:50:46]

Description was changed from

==========
Fix flakiness when disabling swap out timer in tests.

The swap out timer could still fire in tests that were trying to
reset it, so use another approach that disables the timer ahead
of time.

BUG=600957, 554825
TEST=Tests stay green.
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation
==========

to

==========
Fix flakiness when disabling swap out timer in tests.

The swap out timer could still fire in tests that were trying to
reset it, so use another approach that disables the timer ahead
of time.

BUG=600957, 554825
TEST=Tests stay green.
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation

Committed: https://crrev.com/ecf91fe4382775df7e1be7f237ca5a767d2e9df1
Cr-Commit-Position: refs/heads/master@{#386429}
==========

[commit-bot: I haz the power, 2016-04-11 18:50:47]

Patchset 2 (id:??) landed as
https://crrev.com/ecf91fe4382775df7e1be7f237ca5a767d2e9df1
Cr-Commit-Position: refs/heads/master@{#386429}