[builtins] Also migrate String.prototype.toLowerCase/toUpperCase to C++.

[builtins] Also migrate String.prototype.toLowerCase/toUpperCase to C++.

These builtins always call into C++ anyways and so there's no point in
having the JavaScript wrapper around them, but instead they can be
implemented as C++ builtins directly.

R=franzih@chromium.org
BUG=v8:5049
Committed: https://crrev.com/4e66888869bf04c73b41e5747e4595747a7b20df
Cr-Commit-Position: refs/heads/master@{#36569}

[Benedikt Meurer, 2016-05-27 12:48:16]

Hey Franziska,

And another one for string.js.
Please take a look.

Thanks,
Benedikt

[Franzi, 2016-05-29 05:38:28]

lgtm

[Benedikt Meurer, 2016-05-30 03:39:34]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2016-05-30 03:39:39]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2018983002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/2018983002/1

[commit-bot: I haz the power, 2016-05-30 03:40:49]

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

[commit-bot: I haz the power, 2016-05-30 03:40:50]

Try jobs failed on following builders:
  v8_linux64_asan_rel_ng on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_asan_rel_ng/buil...)
  v8_linux_dbg_ng on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_dbg_ng/builds/6460)
  v8_linux_rel_ng on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_rel_ng/builds/6431)

[Benedikt Meurer, 2016-05-30 03:54:18]

The CQ bit was checked by bmeurer@chromium.org

[Benedikt Meurer, 2016-05-30 03:54:19]

The patchset sent to the CQ was uploaded after l-g-t-m from franzih@chromium.org
Link to the patchset: https://codereview.chromium.org/2018983002/#ps20001
(title: "REBASE")

[commit-bot: I haz the power, 2016-05-30 03:54:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2018983002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/2018983002/20001

[commit-bot: I haz the power, 2016-05-30 04:21:28]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-05-30 04:22:39]

Description was changed from

==========
[builtins] Also migrate String.prototype.toLowerCase/toUpperCase to C++.

These builtins always call into C++ anyways and so there's no point in
having the JavaScript wrapper around them, but instead they can be
implemented as C++ builtins directly.

R=franzih@chromium.org
BUG=v8:5049
==========

to

==========
[builtins] Also migrate String.prototype.toLowerCase/toUpperCase to C++.

These builtins always call into C++ anyways and so there's no point in
having the JavaScript wrapper around them, but instead they can be
implemented as C++ builtins directly.

R=franzih@chromium.org
BUG=v8:5049

Committed: https://crrev.com/4e66888869bf04c73b41e5747e4595747a7b20df
Cr-Commit-Position: refs/heads/master@{#36569}
==========

[commit-bot: I haz the power, 2016-05-30 04:22:40]

Patchset 2 (id:??) landed as
https://crrev.com/4e66888869bf04c73b41e5747e4595747a7b20df
Cr-Commit-Position: refs/heads/master@{#36569}

[Michael Achenbach, 2016-05-30 07:01:29]

A revert of this CL (patchset #2 id:20001) has been created in
https://codereview.chromium.org/2023753002/ by machenbach@chromium.org.

The reason for reverting is: Please rebase blink first (if intended):
https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/bui....