Disallow Object.observe calls on access-checked objects

Disallow Object.observe calls on access-checked objects

We already disallowed observing the global proxy; now we also
disallow any observation of access-checked objects (regardless
of whether the access check would succeed or fail, since there's
not a good way to tell the embedder what kind of access is being
requested).

Also disallow Object.getNotifier for the same reasons.

BUG=chromium:531891
LOG=y

Committed: https://crrev.com/21bd4564538b43dec9ff8c70d43c77a4696e4cfb
Cr-Commit-Position: refs/heads/master@{#30774}

[jochen (gone - plz use gerrit), 2015-09-16 07:03:47]

jochen@chromium.org changed reviewers:
+ jochen@chromium.org

[jochen (gone - plz use gerrit), 2015-09-16 07:03:48]

we should go with this.

[adamk, 2015-09-16 19:28:03]

The error message is a little wonky: there's nothing in ECMAScript (or really,
in HTML) that says what sort of a thing the Location object is.

[jochen (gone - plz use gerrit), 2015-09-16 20:05:38]

lgtm

[adamk, 2015-09-16 20:51:04]

The CQ bit was checked by adamk@chromium.org

[commit-bot: I haz the power, 2015-09-16 20:51:20]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1346813002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1346813002/20001

[commit-bot: I haz the power, 2015-09-16 21:19:27]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-09-16 21:19:43]

Patchset 2 (id:??) landed as
https://crrev.com/21bd4564538b43dec9ff8c70d43c77a4696e4cfb
Cr-Commit-Position: refs/heads/master@{#30774}