[bootstrapper] add checks for variable bindings in native scripts.

[bootstrapper] add checks for variable bindings in native scripts.

Native scripts must not accidentally pollute the global object.

R=bmeurer@chromium.org

Committed: https://crrev.com/3a4846d2bd45f40a1e4e4b9fd231a3fad78ae303
Cr-Commit-Position: refs/heads/master@{#32469}

[Benedikt Meurer, 2015-12-01 13:49:39]

LGTM

[Yang, 2015-12-01 13:50:00]

The CQ bit was checked by yangguo@chromium.org

[commit-bot: I haz the power, 2015-12-01 13:50:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1490783002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1490783002/1

[commit-bot: I haz the power, 2015-12-01 14:28:04]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-01 14:28:22]

Description was changed from

==========
[bootstrapper] add checks for variable bindings in native scripts.

Native scripts must not accidentally pollute the global object.

R=bmeurer@chromium.org
==========

to

==========
[bootstrapper] add checks for variable bindings in native scripts.

Native scripts must not accidentally pollute the global object.

R=bmeurer@chromium.org

Committed: https://crrev.com/3a4846d2bd45f40a1e4e4b9fd231a3fad78ae303
Cr-Commit-Position: refs/heads/master@{#32469}
==========

[commit-bot: I haz the power, 2015-12-01 14:28:23]

Patchset 1 (id:??) landed as
https://crrev.com/3a4846d2bd45f40a1e4e4b9fd231a3fad78ae303
Cr-Commit-Position: refs/heads/master@{#32469}