Add more SVG-related mapLocalToAncestor/mapAncestorToLocal tests

Add more SVG-related mapLocalToAncestor/mapAncestorToLocal tests

Written while looking at crbug.com/592316. Tests viewBoxes with a
non-zero x/y component.

BUG=592316, 568614
Committed: https://crrev.com/2a2aac110bd8ea0d15d7b2979e87052a501218f1
Cr-Commit-Position: refs/heads/master@{#379600}

[fs, 2016-03-07 15:37:49]

fs@opera.com changed reviewers:
+ pdr@chromium.org

[pdr., 2016-03-07 19:02:10]

The CQ bit was checked by pdr@chromium.org

[pdr., 2016-03-07 19:02:11]

lgtm

[commit-bot: I haz the power, 2016-03-07 19:02:35]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1771833002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1771833002/1

[commit-bot: I haz the power, 2016-03-07 19:08:13]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-07 19:09:47]

Description was changed from

==========
Add more SVG-related mapLocalToAncestor/mapAncestorToLocal tests

Written while looking at crbug.com/592316. Tests viewBoxes with a
non-zero x/y component.

BUG=592316, 568614
==========

to

==========
Add more SVG-related mapLocalToAncestor/mapAncestorToLocal tests

Written while looking at crbug.com/592316. Tests viewBoxes with a
non-zero x/y component.

BUG=592316, 568614

Committed: https://crrev.com/2a2aac110bd8ea0d15d7b2979e87052a501218f1
Cr-Commit-Position: refs/heads/master@{#379600}
==========

[commit-bot: I haz the power, 2016-03-07 19:09:47]

Patchset 1 (id:??) landed as
https://crrev.com/2a2aac110bd8ea0d15d7b2979e87052a501218f1
Cr-Commit-Position: refs/heads/master@{#379600}