fuchsia: Don't reference CurrentProcessInfo::CreationTime()

base/trace_event/trace_log.cc

Index: base/trace_event/trace_log.cc
diff --git a/base/trace_event/trace_log.cc b/base/trace_event/trace_log.cc
index b6570fdade052b8e93e2bc266975b1d1f5a97498..0ed2e2abd050517e073b1ac6da36abf21f77b6f4 100644
--- a/base/trace_event/trace_log.cc
+++ b/base/trace_event/trace_log.cc
@@ -1500,7 +1500,8 @@ void TraceLog::AddMetadataEventsWhileLocked() {
                             process_name_);
   }
 
-#if !defined(OS_NACL) && !defined(OS_IOS)
+// See https://crbug.com/726484 for Fuchsia.
+#if !defined(OS_NACL) && !defined(OS_IOS) && !defined(OS_FUCHSIA)
   Time process_creation_time = CurrentProcessInfo::CreationTime();
   if (!process_creation_time.is_null()) {
     TimeDelta process_uptime = Time::Now() - process_creation_time;