Cache experimental natives sources as external strings.

Cache experimental natives sources as external strings.

R=ulan@chromium.org
BUG=v8:4054
LOG=N

Committed: https://crrev.com/3ba71e1bbd3b7dc4a81e365be40854e619f29aa0
Cr-Commit-Position: refs/heads/master@{#28176}

[ulan, 2015-04-30 11:03:48]

lgtm

[Yang, 2015-04-30 11:36:51]

The CQ bit was checked by yangguo@chromium.org

[commit-bot: I haz the power, 2015-04-30 11:37:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1114043002/1

[commit-bot: I haz the power, 2015-04-30 11:47:05]

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

[commit-bot: I haz the power, 2015-04-30 11:47:06]

Try jobs failed on following builders:
  v8_linux_gcc_compile_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_gcc_compile_rel/bu...)

[Yang, 2015-04-30 12:26:53]

The CQ bit was checked by yangguo@chromium.org

[Yang, 2015-04-30 12:26:53]

The patchset sent to the CQ was uploaded after l-g-t-m from ulan@chromium.org
Link to the patchset: https://codereview.chromium.org/1114043002/#ps20001
(title: "fix")

[commit-bot: I haz the power, 2015-04-30 12:27:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1114043002/20001

[commit-bot: I haz the power, 2015-04-30 12:40:09]

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

[commit-bot: I haz the power, 2015-04-30 12:40:10]

Try jobs failed on following builders:
  v8_linux_chromium_gn_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_chromium_gn_rel/bu...)

[Yang, 2015-04-30 12:55:17]

The CQ bit was checked by yangguo@chromium.org

[Yang, 2015-04-30 12:55:18]

The patchset sent to the CQ was uploaded after l-g-t-m from ulan@chromium.org
Link to the patchset: https://codereview.chromium.org/1114043002/#ps40001
(title: " ")

[commit-bot: I haz the power, 2015-04-30 12:55:31]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1114043002/40001

[commit-bot: I haz the power, 2015-04-30 13:48:39]

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

[commit-bot: I haz the power, 2015-04-30 13:48:40]

Try jobs failed on following builders:
  v8_linux_chromium_gn_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_chromium_gn_rel/bu...)

[Yang, 2015-04-30 13:52:13]

The CQ bit was checked by yangguo@chromium.org

[Yang, 2015-04-30 13:52:13]

The patchset sent to the CQ was uploaded after l-g-t-m from ulan@chromium.org
Link to the patchset: https://codereview.chromium.org/1114043002/#ps60001
(title: "also delete experimental native sources at tear down")

[commit-bot: I haz the power, 2015-04-30 13:52:38]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1114043002/60001

[commit-bot: I haz the power, 2015-04-30 15:10:48]

Committed patchset #4 (id:60001)

[commit-bot: I haz the power, 2015-04-30 15:11:09]

Patchset 4 (id:??) landed as
https://crrev.com/3ba71e1bbd3b7dc4a81e365be40854e619f29aa0
Cr-Commit-Position: refs/heads/master@{#28176}