add support for all can read interceptors

add support for all can read interceptors

R=verwaest@chromium.org

BUG=

Committed: https://crrev.com/313b24dbc24b64babf53c1830c2b23170ee1c269
Cr-Commit-Position: refs/heads/master@{#26522}

[dcarney, 2015-02-06 15:16:30]

Patchset #7 (id:120001) has been deleted

[dcarney, 2015-02-06 18:43:35]

dcarney@chromium.org changed reviewers:
+ verwaest@chromium.org

[dcarney, 2015-02-06 18:44:08]

ptal, i'll add some more tests on monday for nested iterators

[Toon Verwaest, 2015-02-09 10:25:33]

LGTM. As discussed: in case of interceptor-exception in case of
*WithFailedAccessCheck, just report failed access check to avoid propagating
exception from wrong context.

[dcarney, 2015-02-09 10:28:05]

New patchsets have been uploaded after l-g-t-m from verwaest@chromium.org

[dcarney, 2015-02-09 11:10:42]

The CQ bit was checked by dcarney@chromium.org

[commit-bot: I haz the power, 2015-02-09 11:11:38]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/906463002/200001

[commit-bot: I haz the power, 2015-02-09 11:33:42]

Committed patchset #10 (id:200001)

[commit-bot: I haz the power, 2015-02-09 11:34:02]

Patchset 10 (id:??) landed as
https://crrev.com/313b24dbc24b64babf53c1830c2b23170ee1c269
Cr-Commit-Position: refs/heads/master@{#26522}