Add PageBoundaryRule parameter to fragmentainerGroupAtFlowThreadOffset().

Add PageBoundaryRule parameter to fragmentainerGroupAtFlowThreadOffset().

If it's an exclusive end offset, we need to know this, so that we map to the
former fragmentainer group, rather than the latter, if the offset is at a
column row boundary.

Committed: https://crrev.com/93d76ce0e06aefbb038efc84013adbdd82a61754
Cr-Commit-Position: refs/heads/master@{#418958}

[mstensho (USE GERRIT), 2016-09-15 15:36:46]

The CQ bit was checked by mstensho@opera.com to run a CQ dry run

[commit-bot: I haz the power, 2016-09-15 15:37:27]

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

[mstensho (USE GERRIT), 2016-09-15 16:34:55]

mstensho@opera.com changed reviewers:
+ eae@chromium.org

[eae, 2016-09-15 16:43:53]

LGTM

[commit-bot: I haz the power, 2016-09-15 18:22:26]

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

[commit-bot: I haz the power, 2016-09-15 18:22:27]

Dry run: This issue passed the CQ dry run.

[mstensho (USE GERRIT), 2016-09-15 20:34:55]

The CQ bit was checked by mstensho@opera.com

[commit-bot: I haz the power, 2016-09-15 20:35:35]

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, 2016-09-15 20:41:47]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-15 20:45:04]

Description was changed from

==========
Add PageBoundaryRule parameter to fragmentainerGroupAtFlowThreadOffset().

If it's an exclusive end offset, we need to know this, so that we map to the
former fragmentainer group, rather than the latter, if the offset is at a
column row boundary.
==========

to

==========
Add PageBoundaryRule parameter to fragmentainerGroupAtFlowThreadOffset().

If it's an exclusive end offset, we need to know this, so that we map to the
former fragmentainer group, rather than the latter, if the offset is at a
column row boundary.

Committed: https://crrev.com/93d76ce0e06aefbb038efc84013adbdd82a61754
Cr-Commit-Position: refs/heads/master@{#418958}
==========

[commit-bot: I haz the power, 2016-09-15 20:45:05]

Patchset 1 (id:??) landed as
https://crrev.com/93d76ce0e06aefbb038efc84013adbdd82a61754
Cr-Commit-Position: refs/heads/master@{#418958}