Test262 roll to 2015-10-1 version

Test262 roll to 2015-10-1 version

This patch brings test262 up to the latest version on GitHub. Some
highlights from new failures are:
- Reflect
- Default parameters
- Case conversion edge cases

R=adamk

Committed: https://crrev.com/f29705dbe00c125f4d9fc7cfb49a9eb24c309e84
Cr-Commit-Position: refs/heads/master@{#31165}

[adamk, 2015-10-07 14:53:17]

lgtm

[adamk, 2015-10-07 14:53:23]

The CQ bit was checked by adamk@chromium.org

[commit-bot: I haz the power, 2015-10-07 14:53:35]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1391793002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1391793002/1

[commit-bot: I haz the power, 2015-10-07 15:24:55]

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

[commit-bot: I haz the power, 2015-10-07 15:24:56]

Try jobs failed on following builders:
  v8_linux64_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_rel/builds/10397)

[Dan Ehrenberg, 2015-10-07 18:49:51]

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

[commit-bot: I haz the power, 2015-10-07 18:50:14]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1391793002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1391793002/1

[commit-bot: I haz the power, 2015-10-07 19:11:31]

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

[commit-bot: I haz the power, 2015-10-07 19:11:31]

Dry run: This issue passed the CQ dry run.

[Dan Ehrenberg, 2015-10-07 19:11:50]

The CQ bit was checked by littledan@chromium.org

[commit-bot: I haz the power, 2015-10-07 19:12:08]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1391793002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1391793002/1

[commit-bot: I haz the power, 2015-10-07 19:13:34]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-07 19:14:01]

Patchset 1 (id:??) landed as
https://crrev.com/f29705dbe00c125f4d9fc7cfb49a9eb24c309e84
Cr-Commit-Position: refs/heads/master@{#31165}