[api] Use shallow copy for the template instantiation cache

[api] Use shallow copy for the template instantiation cache

This means we can't cache templates that have object properties. Disable
caching for those.

BUG=
R=verwaest@chromium.org

Committed: https://crrev.com/adfea6af9f66a2079abe3eca9dbad49aee06874b
Cr-Commit-Position: refs/heads/master@{#34402}

[jochen (gone - plz use gerrit), 2016-03-01 10:52:25]

ptal

splitting out the individual changes

[Toon Verwaest, 2016-03-01 17:31:39]

lgtm

[jochen (gone - plz use gerrit), 2016-03-01 17:34:24]

The CQ bit was checked by jochen@chromium.org

[commit-bot: I haz the power, 2016-03-01 17:34:31]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1753643002/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1753643002/40001

[commit-bot: I haz the power, 2016-03-01 17:54:41]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2016-03-01 17:55:02]

Description was changed from

==========
[api] Use shallow copy for the template instantiation cache

This means we can't cache templates that have object properties. Disable
caching for those.

BUG=
R=verwaest@chromium.org
==========

to

==========
[api] Use shallow copy for the template instantiation cache

This means we can't cache templates that have object properties. Disable
caching for those.

BUG=
R=verwaest@chromium.org

Committed: https://crrev.com/adfea6af9f66a2079abe3eca9dbad49aee06874b
Cr-Commit-Position: refs/heads/master@{#34402}
==========

[commit-bot: I haz the power, 2016-03-01 17:55:03]

Patchset 3 (id:??) landed as
https://crrev.com/adfea6af9f66a2079abe3eca9dbad49aee06874b
Cr-Commit-Position: refs/heads/master@{#34402}