Fix Sync.DirectoryOpenResult histogram

Fix Sync.DirectoryOpenResult histogram

This was intended to be a UMA_HISTOGRAM_ENUM.  See also r150465.

BUG=129825
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=152633

[tim (not reviewing), 2012-08-10 17:54:41]

lgtm

[commit-bot: I haz the power, 2012-08-10 18:08:48]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/rlarocque@chromium.org/10828261/1

[commit-bot: I haz the power, 2012-08-10 18:21:25]

Try job failure for 10828261-1 on linux_chromeos for step "update".
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_chro...

Step "update" is always a major failure.
Look at the try server FAQ for more details.

[commit-bot: I haz the power, 2012-08-10 20:07:46]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/rlarocque@chromium.org/10828261/1

[commit-bot: I haz the power, 2012-08-10 21:10:22]

Try job failure for 10828261-1 (retry) on mac_rel for step "browser_tests".
It's a second try, previously, step "browser_tests" failed.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=mac_rel&nu...

[commit-bot: I haz the power, 2012-08-21 18:28:45]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/rlarocque@chromium.org/10828261/1

[commit-bot: I haz the power, 2012-08-21 21:05:56]

Change committed as 152633