Make pretty_print.py look for a histograms.xml in the current working directory first.

Make pretty_print.py look for a histograms.xml in the current working directory first.

This will allow the script to be used with files in directories other than tools/metrics/histograms. Furthermore, print the relative path of the histograms.xml file actually used to avoid
confusion.

BUG=None

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=251449

[engedy, 2014-02-14 15:19:54]

@Ilya: please take a look.

This is in response to https://codereview.chromium.org/121403002.

[Alexei Svitkine (slow), 2014-02-14 15:36:40]

lgtm

[engedy, 2014-02-14 16:04:09]

The CQ bit was checked by engedy@chromium.org

[commit-bot: I haz the power, 2014-02-14 16:04:45]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/engedy@chromium.org/163473008/1

[commit-bot: I haz the power, 2014-02-14 18:49:01]

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

[commit-bot: I haz the power, 2014-02-14 18:49:02]

Retried try job too often on win_rel for step(s) unit_tests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win_rel&nu...

[Ilya Sherman, 2014-02-14 21:42:33]

The CQ bit was checked by isherman@chromium.org

[commit-bot: I haz the power, 2014-02-14 21:45:04]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/engedy@chromium.org/163473008/1

[commit-bot: I haz the power, 2014-02-15 00:15:41]

Change committed as 251449