Fuchsia: Initial check-in.

runtime/lib/timeline.cc

Index: runtime/lib/timeline.cc
diff --git a/runtime/lib/timeline.cc b/runtime/lib/timeline.cc
index b5b397db5ee0ae40cae014ee6ce6d81c547084ce..6923e6f12731e91e7e76cc419a000c64bb57a75e 100644
--- a/runtime/lib/timeline.cc
+++ b/runtime/lib/timeline.cc
@@ -54,6 +54,7 @@ DEFINE_NATIVE_ENTRY(Timeline_getThreadCpuClock, 0) {
 
 
 DEFINE_NATIVE_ENTRY(Timeline_reportTaskEvent, 6) {
+#ifndef PRODUCT
   if (!FLAG_support_timeline) {
     return Object::null();
   }
@@ -114,12 +115,13 @@ DEFINE_NATIVE_ENTRY(Timeline_reportTaskEvent, 6) {
 
   // json was allocated in the zone and a copy will be stored in event.
   event->CompleteWithPreSerializedJSON(json);
-
+#endif
   return Object::null();
 }
 
 
 DEFINE_NATIVE_ENTRY(Timeline_reportCompleteEvent, 5) {
+#ifndef PRODUCT
   if (!FLAG_support_timeline) {
     return Object::null();
   }
@@ -185,12 +187,13 @@ DEFINE_NATIVE_ENTRY(Timeline_reportCompleteEvent, 5) {
                   end_cpu);
   // json was allocated in the zone and a copy will be stored in event.
   event->CompleteWithPreSerializedJSON(json);
-
+#endif
   return Object::null();
 }
 
 
 DEFINE_NATIVE_ENTRY(Timeline_reportInstantEvent, 4) {
+#ifndef PRODUCT
   if (!FLAG_support_timeline) {
     return Object::null();
   }
@@ -228,7 +231,7 @@ DEFINE_NATIVE_ENTRY(Timeline_reportInstantEvent, 4) {
   event->Instant("", start.AsInt64Value());
   // json was allocated in the zone and a copy will be stored in event.
   event->CompleteWithPreSerializedJSON(json);
-
+#endif
   return Object::null();
 }