Mechanical rename of tracing includes for /sync

Mechanical rename of tracing includes for /sync

This is just a mechanical rename of tracing includes.
See crrev.com/837303004 and the related bug for motivations.

BUG=451032
TBR=maniscalco@chromium.org

Committed: https://crrev.com/a592e1f2ea43bb75feff793b98bb8b580e160f3b
Cr-Commit-Position: refs/heads/master@{#313930}

[Primiano Tucci (use gerrit), 2015-01-30 14:55:09]

The CQ bit was checked by primiano@chromium.org

[commit-bot: I haz the power, 2015-01-30 14:56:14]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/864223007/1

[commit-bot: I haz the power, 2015-01-30 15:46:27]

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

[commit-bot: I haz the power, 2015-01-30 15:46:28]

Try jobs failed on following builders:
  linux_chromium_chromeos_rel_ng on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[Primiano Tucci (use gerrit), 2015-01-30 16:49:53]

The CQ bit was checked by primiano@chromium.org

[commit-bot: I haz the power, 2015-01-30 16:50:43]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/864223007/1

[commit-bot: I haz the power, 2015-01-30 17:24:54]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-01-30 17:25:42]

Patchset 1 (id:??) landed as
https://crrev.com/a592e1f2ea43bb75feff793b98bb8b580e160f3b
Cr-Commit-Position: refs/heads/master@{#313930}