memory coordinator: Observe renderer visibility to update state

memory coordinator: Observe renderer visibility to update state

Memory coordinator should update renderers' memory state when their
visibility have changed. For a visible (foreground) renderer,
the state is set to NORMAL. For background renderers, the states
are set to the global state.

BUG=617492
Committed: https://crrev.com/efbf745f1739de118eb193f24e8e9ed9a6f7cc9f
Cr-Commit-Position: refs/heads/master@{#427185}

[bashi, 2016-10-24 07:08:04]

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

[commit-bot: I haz the power, 2016-10-24 07:08:18]

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

[bashi, 2016-10-24 07:53:29]

bashi@chromium.org changed reviewers:
+ chrisha@chromium.org, haraken@chromium.org

[bashi, 2016-10-24 07:53:30]

PTAL

It's a bit difficult to add a test because we don't expose MemoryCoordinator to
chrome/ so far. IIUC we can write multi-tab tests only in chrome/.

[commit-bot: I haz the power, 2016-10-24 08:04:42]

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

[commit-bot: I haz the power, 2016-10-24 08:04:43]

Dry run: This issue passed the CQ dry run.

[haraken, 2016-10-24 08:42:11]

LGTM

[bashi, 2016-10-25 00:01:56]

The CQ bit was checked by bashi@chromium.org

[commit-bot: I haz the power, 2016-10-25 00:03:20]

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, 2016-10-25 00:11:32]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-25 00:17:12]

Description was changed from

==========
memory coordinator: Observe renderer visibility to update state

Memory coordinator should update renderers' memory state when their
visibility have changed. For a visible (foreground) renderer,
the state is set to NORMAL. For background renderers, the states
are set to the global state.

BUG=617492
==========

to

==========
memory coordinator: Observe renderer visibility to update state

Memory coordinator should update renderers' memory state when their
visibility have changed. For a visible (foreground) renderer,
the state is set to NORMAL. For background renderers, the states
are set to the global state.

BUG=617492

Committed: https://crrev.com/efbf745f1739de118eb193f24e8e9ed9a6f7cc9f
Cr-Commit-Position: refs/heads/master@{#427185}
==========

[commit-bot: I haz the power, 2016-10-25 00:17:13]

Patchset 1 (id:??) landed as
https://crrev.com/efbf745f1739de118eb193f24e8e9ed9a6f7cc9f
Cr-Commit-Position: refs/heads/master@{#427185}