Add v8::Object::GetRealNamedPropertyAttributes()

Add v8::Object::GetRealNamedPropertyAttributes()

Add v8::Object::GetRealNamedPropertyAttributes() and
v8::Object::GetRealNamedPropertyAttributesInPrototypeChain().

See https://github.com/iojs/io.js/issues/864 for background.

Committed: https://crrev.com/726eb0582b23bc90f4acd496ebb6a08be1d8f3ac
Cr-Commit-Position: refs/heads/master@{#26855}

[bnoordhuis, 2015-02-20 14:00:38]

ben@strongloop.com changed reviewers:
+ yangguo@chromium.org

[bnoordhuis, 2015-02-20 14:00:38]

Yang, I'm sorry to keep picking you as a reviewer but according to `git shortlog
-ns src/api.cc`, you're the most prolific contributor by a wide margin. :-)

[Yang, 2015-02-20 14:05:13]

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

[Yang, 2015-02-20 14:05:14]

Toon, what do you think?

[Toon Verwaest, 2015-02-25 14:08:02]

lgtm

[bnoordhuis, 2015-02-25 14:40:54]

The CQ bit was checked by ben@strongloop.com

[commit-bot: I haz the power, 2015-02-25 14:41:13]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/942003003/1

[commit-bot: I haz the power, 2015-02-25 15:09:17]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-25 15:09:32]

Patchset 1 (id:??) landed as
https://crrev.com/726eb0582b23bc90f4acd496ebb6a08be1d8f3ac
Cr-Commit-Position: refs/heads/master@{#26855}