[build system] Support code coverage.

[build system] Support code coverage.

Committed: https://crrev.com/ce47fc8b7228c4b9c6b3b549dff7dafca05ca26d
Cr-Commit-Position: refs/heads/master@{#32743}

[Jakob Kummerow, 2015-12-09 17:40:00]

jkummerow@chromium.org changed reviewers:
+ cbruni@chromium.org, machenbach@chromium.org

[Jakob Kummerow, 2015-12-09 17:40:01]

Replaces https://codereview.chromium.org/1297843003 and addresses the comments
therein. PTAL.

[Michael Achenbach, 2015-12-09 20:20:51]

lgtm

[Jakob Kummerow, 2015-12-10 09:19:04]

The CQ bit was checked by jkummerow@chromium.org

[commit-bot: I haz the power, 2015-12-10 09:19:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1511893004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1511893004/1

[commit-bot: I haz the power, 2015-12-10 09:20:02]

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

[commit-bot: I haz the power, 2015-12-10 09:20:03]

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/...)
  v8_linux_arm_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_arm_rel/builds/11277)
  v8_linux_dbg on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_dbg/builds/11878)
  v8_linux_mips64el_compile_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_mips64el_compile_r...)
  v8_linux_mipsel_compile_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_mipsel_compile_rel...)

[Jakob Kummerow, 2015-12-10 09:52:09]

The CQ bit was checked by jkummerow@chromium.org

[Jakob Kummerow, 2015-12-10 09:52:09]

The patchset sent to the CQ was uploaded after l-g-t-m from
machenbach@chromium.org
Link to the patchset: https://codereview.chromium.org/1511893004/#ps20001
(title: "we have to go deeper")

[commit-bot: I haz the power, 2015-12-10 09:52:14]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1511893004/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1511893004/20001

[commit-bot: I haz the power, 2015-12-10 10:11:02]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-12-10 10:11:22]

Description was changed from

==========
[build system] Support code coverage.
==========

to

==========
[build system] Support code coverage.

Committed: https://crrev.com/ce47fc8b7228c4b9c6b3b549dff7dafca05ca26d
Cr-Commit-Position: refs/heads/master@{#32743}
==========

[commit-bot: I haz the power, 2015-12-10 10:11:23]

Patchset 2 (id:??) landed as
https://crrev.com/ce47fc8b7228c4b9c6b3b549dff7dafca05ca26d
Cr-Commit-Position: refs/heads/master@{#32743}