[Extensions] Harden against bindings interception

[Extensions] Harden against bindings interception

There's more we can do but this is a start.

BUG=590275
BUG=590118
Committed: https://crrev.com/75b803b1c81ed9fa5513cbff550232b4fb915e7b
Cr-Commit-Position: refs/heads/master@{#378621}

[Devlin, 2016-03-01 00:06:22]

rdevlin.cronin@chromium.org changed reviewers:
+ asargent@chromium.org, jochen@chromium.org

[Devlin, 2016-03-01 00:06:23]

Jochen, Antony, mind taking a look?  See the bugs for more context.

[jochen (gone - plz use gerrit), 2016-03-01 14:40:26]

lgtm

[asargent_no_longer_on_chrome, 2016-03-01 20:43:44]

lgtm

BTW, I wasn't cc'd on the bugs so I couldn't view them - mind adding me to cc
list for each?

[Devlin, 2016-03-01 21:00:46]

On 2016/03/01 20:43:44, Antony Sargent wrote:
> lgtm
> 
> BTW, I wasn't cc'd on the bugs so I couldn't view them - mind adding me to cc
> list for each?

Whoops, sorry.  Done.

[Devlin, 2016-03-01 23:04:10]

The CQ bit was checked by rdevlin.cronin@chromium.org

[commit-bot: I haz the power, 2016-03-01 23:05:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1748943002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1748943002/1

[commit-bot: I haz the power, 2016-03-02 00:13:58]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-02 00:15:22]

Description was changed from

==========
[Extensions] Harden against bindings interception

There's more we can do but this is a start.

BUG=590275
BUG=590118
==========

to

==========
[Extensions] Harden against bindings interception

There's more we can do but this is a start.

BUG=590275
BUG=590118

Committed: https://crrev.com/75b803b1c81ed9fa5513cbff550232b4fb915e7b
Cr-Commit-Position: refs/heads/master@{#378621}
==========

[commit-bot: I haz the power, 2016-03-02 00:15:23]

Patchset 1 (id:??) landed as
https://crrev.com/75b803b1c81ed9fa5513cbff550232b4fb915e7b
Cr-Commit-Position: refs/heads/master@{#378621}