Move regexp implementation into its own folder.

Move regexp implementation into its own folder.

Committed: https://crrev.com/67e4b3732aebf6ddd890818d331945bb8e74f03d
Cr-Commit-Position: refs/heads/master@{#30144}

[Yang, 2015-08-12 13:19:50]

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

[Yang, 2015-08-12 13:19:51]

Please take a look. Thanks!

[Yang, 2015-08-12 13:20:15]

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

[commit-bot: I haz the power, 2015-08-12 13:20:19]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1285163003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1285163003/1

[commit-bot: I haz the power, 2015-08-12 13:50:38]

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

[commit-bot: I haz the power, 2015-08-12 13:50:39]

Dry run: This issue passed the CQ dry run.

[Michael Lippautz, 2015-08-12 14:19:55]

LGTM

https://codereview.chromium.org/1285163003/diff/1/src/heap/heap.cc
File src/heap/heap.cc (right):

https://codereview.chromium.org/1285163003/diff/1/src/heap/heap.cc#newcode40
src/heap/heap.cc:40: #include "src/regexp/regexp-macro-assembler.h"   // NOLINT
nit: alignment off

Do we need NOLINT? If yes, please add to V8_TARGET_ARCH_MIPS64 below too.
Thanks!

[Yang, 2015-08-13 06:29:20]

The CQ bit was checked by yangguo@chromium.org

[Yang, 2015-08-13 06:29:21]

The patchset sent to the CQ was uploaded after l-g-t-m from
mlippautz@chromium.org
Link to the patchset: https://codereview.chromium.org/1285163003/#ps20001
(title: "addressed comment")

[commit-bot: I haz the power, 2015-08-13 06:29:27]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1285163003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1285163003/20001

[commit-bot: I haz the power, 2015-08-13 06:55:28]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-08-13 06:55:44]

Patchset 2 (id:??) landed as
https://crrev.com/67e4b3732aebf6ddd890818d331945bb8e74f03d
Cr-Commit-Position: refs/heads/master@{#30144}