Do not use js builtins object when constructing an error.

Do not use js builtins object when constructing an error.

R=cbruni@chromium.org

Committed: https://crrev.com/d281688ae571bc2e5a302ee32a503be32c4ae720
Cr-Commit-Position: refs/heads/master@{#30189}

[Yang, 2015-08-17 08:09:10]

This follows the pattern of putting the function into a native context slot
instead of retrieving it from the js builtins object.

Also removes some dead code.

[Camillo Bruni, 2015-08-17 09:33:18]

lgtm

[Yang, 2015-08-17 09:36:56]

The CQ bit was checked by yangguo@chromium.org

[commit-bot: I haz the power, 2015-08-17 09:37:04]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1295093002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1295093002/20001

[commit-bot: I haz the power, 2015-08-17 09:37:05]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-08-17 09:37:06]

No L-G-T-M from a valid reviewer yet. Only full committers are accepted.
Even if an L-G-T-M may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[Yang, 2015-08-17 09:56:18]

The CQ bit was checked by yangguo@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-08-17 09:56:26]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1295093002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1295093002/20001

[Yang, 2015-08-17 10:45:03]

The CQ bit was unchecked by yangguo@chromium.org

[Yang, 2015-08-17 10:45:06]

The CQ bit was checked by yangguo@chromium.org

[commit-bot: I haz the power, 2015-08-17 11:00:36]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1295093002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1295093002/20001

[commit-bot: I haz the power, 2015-08-17 11:02:36]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-08-17 11:02:47]

Patchset 2 (id:??) landed as
https://crrev.com/d281688ae571bc2e5a302ee32a503be32c4ae720
Cr-Commit-Position: refs/heads/master@{#30189}