[TabManager] Disable memory pressure notifications to foreground renderers.

[TabManager] Disable memory pressure notifications to foreground renderers.

Memory pressure handlers are often janky, and this is causing visible jank in foreground windows.

BUG=587673, 449227
Committed: https://crrev.com/e1b72e5aabc8114b521d8b9cc8d90d29e5d0f1e6
Cr-Commit-Position: refs/heads/master@{#379914}

[chrisha, 2016-03-08 20:44:21]

chrisha@chromium.org changed reviewers:
+ georgesak@chromium.org

[chrisha, 2016-03-08 20:44:21]

PTAL?

[chrisha, 2016-03-08 20:44:28]

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

[commit-bot: I haz the power, 2016-03-08 20:44:52]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1777583003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1777583003/1

[Georges Khalil, 2016-03-08 21:02:51]

lgtm

[commit-bot: I haz the power, 2016-03-08 21:34:50]

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

[commit-bot: I haz the power, 2016-03-08 21:34:50]

Dry run: This issue passed the CQ dry run.

[chrisha, 2016-03-08 21:35:16]

The CQ bit was checked by chrisha@chromium.org

[commit-bot: I haz the power, 2016-03-08 21:35:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1777583003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1777583003/1

[commit-bot: I haz the power, 2016-03-08 21:41:25]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-08 21:43:04]

Description was changed from

==========
[TabManager] Disable memory pressure notifications to foreground renderers.

Memory pressure handlers are often janky, and this is causing visible jank in
foreground windows.

BUG=587673,449227
==========

to

==========
[TabManager] Disable memory pressure notifications to foreground renderers.

Memory pressure handlers are often janky, and this is causing visible jank in
foreground windows.

BUG=587673,449227

Committed: https://crrev.com/e1b72e5aabc8114b521d8b9cc8d90d29e5d0f1e6
Cr-Commit-Position: refs/heads/master@{#379914}
==========

[commit-bot: I haz the power, 2016-03-08 21:43:05]

Patchset 1 (id:??) landed as
https://crrev.com/e1b72e5aabc8114b521d8b9cc8d90d29e5d0f1e6
Cr-Commit-Position: refs/heads/master@{#379914}