Extend PR_ParseTimeString() to accept some ISO 8601 formats to fix timezone parsing in SyslogParser.

base/third_party/nspr/prtime.h

 /* Portions are Copyright (C) 2011 Google Inc */
 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
  * http://www.mozilla.org/MPL/
  *
  * Software distributed under the License is distributed on an "AS IS" basis,
@@ skipping 215 matching lines @@
  *   Mon Jan 16 16:12 +0130 1989
  *   6 May 1992 16:41-JST (Wednesday)
  *   22-AUG-1993 10:59:12.82
  *   22-AUG-1993 10:59pm
  *   22-AUG-1993 12:59am
  *   22-AUG-1993 12:59 PM
  *   Friday, August 04, 1995 3:54 PM
  *   06/21/95 04:24:34 PM
  *   20/06/95 21:07
  *   95-06-08 19:32:48 EDT
+ *   1995-06-17T23:11:25.342156Z
  *
  * If the input string doesn't contain a description of the timezone,
  * we consult the `default_to_gmt' to decide whether the string should
  * be interpreted relative to the local time zone (PR_FALSE) or GMT (PR_TRUE).
  * The correct value for this argument depends on what standard specified
  * the time string which you are parsing.
  */
 
 /*
  * This is the only funtion that should be called from outside base, and only
  * from the unit test.
  */
 
 BASE_EXPORT PRStatus PR_ParseTimeString (
         const char *string,
         PRBool default_to_gmt,
         PRTime *result);
 
 #endif  // BASE_PRTIME_H__