Make time_posix.cc build in Native Client...

time_posix.cc

Index: time_posix.cc
===================================================================
--- time_posix.cc	(revision 77923)
+++ time_posix.cc	(working copy)
@@ -109,8 +109,10 @@
   timestruct.tm_wday   = exploded.day_of_week;  // mktime/timegm ignore this
   timestruct.tm_yday   = 0;     // mktime/timegm ignore this
   timestruct.tm_isdst  = -1;    // attempt to figure it out
+#if !defined(OS_NACL)
   timestruct.tm_gmtoff = 0;     // not a POSIX field, so mktime/timegm ignore
   timestruct.tm_zone   = NULL;  // not a POSIX field, so mktime/timegm ignore
+#endif
 
   time_t seconds;
   if (is_local)
@@ -179,6 +181,15 @@
   return TimeTicks(absolute_micro);
 }
 
+#elif defined(OS_NACL)
+
+TimeTicks TimeTicks::Now() {
+  // Sadly, Native Client does not have _POSIX_TIMERS enabled in sys/features.h
+  // Apparently NaCl only has CLOCK_REALTIME:
+  // http://code.google.com/p/nativeclient/issues/detail?id=1159
+  return TimeTicks(clock());
+}
+
 #else  // _POSIX_MONOTONIC_CLOCK
 #error No usable tick clock function on this platform.
 #endif  // _POSIX_MONOTONIC_CLOCK