Changing license header, again!

client/third_party/infra_libs/time_functions/timestamp.py

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
+# that can be found in the LICENSE file.
 
 
 """Provides common timestamp functions."""
 
 import datetime
 import pytz
 
 
 def utctimestamp(dt):
   """Converts a datetime object into a floating point timestamp since the epoch.
 
   dt is the datetime to convert. If dt is a naive (non-tz-aware) object, it
      will implicitly be treated as UTC.
   """
   epoch = datetime.datetime.utcfromtimestamp(0).replace(tzinfo=pytz.UTC)
   # This check is from http://stackoverflow.com/a/27596917/3984761.
   if dt.tzinfo is None or dt.tzinfo.utcoffset(dt) is None:
     dt = dt.replace(tzinfo=pytz.UTC)
   return (dt - epoch).total_seconds()
 
 
 def utcnow_ts():  # pragma: no cover
   """Returns the floating point number of seconds since the UTC epoch."""
   return utctimestamp(datetime.datetime.utcnow())