Add a hack to set shouldPaint to true for force-composited iframes.

Add a hack to set shouldPaint to true for force-composited iframes.

This works around a FCB chicken-egg problem in which we are unable to
properly start painting floating iframes once they stop being composited.

Reland of original change http://crrev.com/2009353003 now that
we've reviewed performance without the patch.

BUG=610906, 619710
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
TBR=chrishtr

Committed: https://crrev.com/77f8e3dd7c2c7feb739b9918a2ecca94e7ad3e36
Cr-Commit-Position: refs/heads/master@{#413649}

[wkorman, 2016-08-21 21:51:01]

Description was changed from

==========
Add a hack to set shouldPaint to true for force-composited iframes.

This works around a FCB chicken-egg problem in which we are unable to
properly start painting floating iframes once they stop being composited.

Reland of original change http://crrev.com/2009353003

BUG=610906,619710
==========

to

==========
Add a hack to set shouldPaint to true for force-composited iframes.

This works around a FCB chicken-egg problem in which we are unable to
properly start painting floating iframes once they stop being composited.

Reland of original change http://crrev.com/2009353003

BUG=610906,619710
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
==========

[wkorman, 2016-08-21 21:55:58]

Description was changed from

==========
Add a hack to set shouldPaint to true for force-composited iframes.

This works around a FCB chicken-egg problem in which we are unable to
properly start painting floating iframes once they stop being composited.

Reland of original change http://crrev.com/2009353003

BUG=610906,619710
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
==========

to

==========
Add a hack to set shouldPaint to true for force-composited iframes.

This works around a FCB chicken-egg problem in which we are unable to
properly start painting floating iframes once they stop being composited.

Reland of original change http://crrev.com/2009353003 now that
we've reviewed performance without the patch.

BUG=610906,619710
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
TBR=chrishtr
==========

[wkorman, 2016-08-21 21:56:26]

The CQ bit was checked by wkorman@chromium.org

[commit-bot: I haz the power, 2016-08-21 21:56:39]

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, 2016-08-21 22:32:16]

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

[commit-bot: I haz the power, 2016-08-21 22:32:17]

Try jobs failed on following builders:
  linux_layout_tests_slimming_paint_v2 on master.tryserver.chromium.linux
(JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_layout_te...)

[wkorman, 2016-08-22 19:39:22]

wkorman@chromium.org changed reviewers:
+ chrishtr@chromium.org

[chrishtr, 2016-08-22 20:03:37]

lgtm

[wkorman, 2016-08-22 22:34:00]

The CQ bit was checked by wkorman@chromium.org

[wkorman, 2016-08-22 22:34:00]

The patchset sent to the CQ was uploaded after l-g-t-m from
chrishtr@chromium.org
Link to the patchset: https://codereview.chromium.org/2265813002/#ps20001
(title: "Add new test to SPv2 expectations.")

[commit-bot: I haz the power, 2016-08-22 22:34:45]

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, 2016-08-23 01:03:12]

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

[commit-bot: I haz the power, 2016-08-23 01:03:13]

Try jobs failed on following builders:
  linux_android_rel_ng on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/linux_androi...)

[wkorman, 2016-08-23 02:06:33]

The CQ bit was checked by wkorman@chromium.org

[commit-bot: I haz the power, 2016-08-23 02:07:07]

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, 2016-08-23 02:53:21]

Description was changed from

==========
Add a hack to set shouldPaint to true for force-composited iframes.

This works around a FCB chicken-egg problem in which we are unable to
properly start painting floating iframes once they stop being composited.

Reland of original change http://crrev.com/2009353003 now that
we've reviewed performance without the patch.

BUG=610906,619710
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
TBR=chrishtr
==========

to

==========
Add a hack to set shouldPaint to true for force-composited iframes.

This works around a FCB chicken-egg problem in which we are unable to
properly start painting floating iframes once they stop being composited.

Reland of original change http://crrev.com/2009353003 now that
we've reviewed performance without the patch.

BUG=610906,619710
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
TBR=chrishtr
==========

[commit-bot: I haz the power, 2016-08-23 02:53:22]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-08-23 02:55:19]

Description was changed from

==========
Add a hack to set shouldPaint to true for force-composited iframes.

This works around a FCB chicken-egg problem in which we are unable to
properly start painting floating iframes once they stop being composited.

Reland of original change http://crrev.com/2009353003 now that
we've reviewed performance without the patch.

BUG=610906,619710
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
TBR=chrishtr
==========

to

==========
Add a hack to set shouldPaint to true for force-composited iframes.

This works around a FCB chicken-egg problem in which we are unable to
properly start painting floating iframes once they stop being composited.

Reland of original change http://crrev.com/2009353003 now that
we've reviewed performance without the patch.

BUG=610906,619710
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
TBR=chrishtr

Committed: https://crrev.com/77f8e3dd7c2c7feb739b9918a2ecca94e7ad3e36
Cr-Commit-Position: refs/heads/master@{#413649}
==========

[commit-bot: I haz the power, 2016-08-23 02:55:20]

Patchset 2 (id:??) landed as
https://crrev.com/77f8e3dd7c2c7feb739b9918a2ecca94e7ad3e36
Cr-Commit-Position: refs/heads/master@{#413649}