Update V8 DEPS.

Update V8 DEPS.

Rolling v8/tools/clang to ed79fd57317ab9f09ce52a5e1c7424eebb80a73e

BUG=chromium:464657
LOG=n

TBR=machenbach@chromium.org

Committed: https://crrev.com/1bdef1caee3a748a38e68ac806c1f52e5e6f6d52
Cr-Commit-Position: refs/heads/master@{#27101}

[v8-autoroll, 2015-03-06 04:01:04]

The CQ bit was checked by v8-autoroll@chromium.org

[commit-bot: I haz the power, 2015-03-06 04:02:26]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/988623002/1

[commit-bot: I haz the power, 2015-03-06 04:05:36]

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

[commit-bot: I haz the power, 2015-03-06 04:05:36]

Try jobs failed on following builders:
  v8_linux64_asan_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_asan_rel/builds/...)

[Michael Achenbach, 2015-03-06 07:41:24]

The CQ bit was checked by machenbach@chromium.org

[commit-bot: I haz the power, 2015-03-06 07:42:36]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/988623002/1

[commit-bot: I haz the power, 2015-03-06 07:45:47]

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

[commit-bot: I haz the power, 2015-03-06 07:45:47]

Try jobs failed on following builders:
  v8_linux64_asan_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_asan_rel/builds/...)

[Michael Achenbach, 2015-03-09 16:25:29]

The CQ bit was checked by machenbach@chromium.org

[commit-bot: I haz the power, 2015-03-09 16:26:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/988623002/1

[commit-bot: I haz the power, 2015-03-09 16:48:30]

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

[commit-bot: I haz the power, 2015-03-09 16:48:31]

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/3695)

[Michael Achenbach, 2015-03-09 17:24:35]

The CQ bit was checked by machenbach@chromium.org

[commit-bot: I haz the power, 2015-03-09 17:24:59]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/988623002/1

[commit-bot: I haz the power, 2015-03-09 17:47:49]

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

[commit-bot: I haz the power, 2015-03-09 17:47:50]

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/3701)

[Sven Panne, 2015-03-10 12:13:55]

The CQ bit was checked by svenpanne@chromium.org

[Sven Panne, 2015-03-10 12:13:56]

The CQ bit was unchecked by svenpanne@chromium.org

[Sven Panne, 2015-03-10 12:13:56]

The CQ bit was checked by svenpanne@chromium.org

[commit-bot: I haz the power, 2015-03-10 12:14:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/988623002/1

[commit-bot: I haz the power, 2015-03-10 12:24:53]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-10 12:25:04]

Patchset 1 (id:??) landed as
https://crrev.com/1bdef1caee3a748a38e68ac806c1f52e5e6f6d52
Cr-Commit-Position: refs/heads/master@{#27101}