Mark //testing/perf target testonly.

Mark //testing/perf target testonly.

That should prevent it from be used in production code.

BUG=280157
R=brettw@chromium.org

Committed: https://crrev.com/c39790a99ebaa6c73671de3f6837e820dcc65a1f
Cr-Commit-Position: refs/heads/master@{#317726}

[tfarina, 2015-02-23 21:27:54]

Followup to https://codereview.chromium.org/946873002/#msg10

[brettw, 2015-02-23 21:28:34]

The CQ bit was checked by brettw@chromium.org

[brettw, 2015-02-23 21:28:34]

lgtm

[commit-bot: I haz the power, 2015-02-23 21:29:03]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/948143003/1

[commit-bot: I haz the power, 2015-02-23 21:47:41]

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

[commit-bot: I haz the power, 2015-02-23 21:47:42]

Try jobs failed on following builders:
  android_chromium_gn_compile_dbg on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/android_chromiu...)
  linux_chromium_gn_dbg on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[tfarina, 2015-02-24 00:22:14]

The CQ bit was checked by tfarina@chromium.org

[tfarina, 2015-02-24 00:22:14]

The patchset sent to the CQ was uploaded after l-g-t-m from brettw@chromium.org
Link to the patchset: https://codereview.chromium.org/948143003/#ps20001 (title:
"browser should not need //testing/perf dependency")

[commit-bot: I haz the power, 2015-02-24 00:24:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/948143003/20001

[commit-bot: I haz the power, 2015-02-24 01:34:46]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-02-24 01:35:18]

Patchset 2 (id:??) landed as
https://crrev.com/c39790a99ebaa6c73671de3f6837e820dcc65a1f
Cr-Commit-Position: refs/heads/master@{#317726}