More changes to use #ifndef PRODUCT ... #endif explicitly instead of relying on compiler magic.

runtime/lib/developer.cc

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/bootstrap_natives.h"
 
 #include "include/dart_api.h"
 
 #include "vm/debugger.h"
 #include "vm/exceptions.h"
@@ skipping 16 matching lines @@
   }
   if (when.value()) {
     debugger->PauseDeveloper(msg);
   }
   return when.raw();
 }
 
 
 DEFINE_NATIVE_ENTRY(Developer_inspect, 1) {
   GET_NATIVE_ARGUMENT(Instance, inspectee, arguments->NativeArgAt(0));
+#ifndef PRODUCT
   if (FLAG_support_service) {
     Service::SendInspectEvent(isolate, inspectee);
   }
+#endif  // !PRODUCT
   return inspectee.raw();
 }
 
 
 DEFINE_NATIVE_ENTRY(Developer_log, 8) {
+#if defined(PRODUCT)
+  return Object::null();
+#else
   if (!FLAG_support_service) {
     return Object::null();
   }
   GET_NON_NULL_NATIVE_ARGUMENT(String, message, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, timestamp, arguments->NativeArgAt(1));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, sequence, arguments->NativeArgAt(2));
   GET_NON_NULL_NATIVE_ARGUMENT(Smi, level, arguments->NativeArgAt(3));
   GET_NON_NULL_NATIVE_ARGUMENT(String, name, arguments->NativeArgAt(4));
   GET_NATIVE_ARGUMENT(Instance, dart_zone, arguments->NativeArgAt(5));
   GET_NATIVE_ARGUMENT(Instance, error, arguments->NativeArgAt(6));
   GET_NATIVE_ARGUMENT(Instance, stack_trace, arguments->NativeArgAt(7));
   Service::SendLogEvent(isolate,
                         sequence.AsInt64Value(),
                         timestamp.AsInt64Value(),
                         level.Value(),
                         name,
                         message,
                         dart_zone,
                         error,
                         stack_trace);
   return Object::null();
+#endif  // PRODUCT
 }
 
 
 DEFINE_NATIVE_ENTRY(Developer_postEvent, 2) {
+#if defined(PRODUCT)
+  return Object::null();
+#else
   if (!FLAG_support_service) {
     return Object::null();
   }
   GET_NON_NULL_NATIVE_ARGUMENT(String, event_kind, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(String, event_data, arguments->NativeArgAt(1));
   Service::SendExtensionEvent(isolate, event_kind, event_data);
   return Object::null();
+#endif  // PRODUCT
 }
 
 
 DEFINE_NATIVE_ENTRY(Developer_lookupExtension, 1) {
+#if defined(PRODUCT)
+  return Object::null();
+#else
   if (!FLAG_support_service) {
     return Object::null();
   }
   GET_NON_NULL_NATIVE_ARGUMENT(String, name, arguments->NativeArgAt(0));
   return isolate->LookupServiceExtensionHandler(name);
+#endif  // PRODUCT
 }
 
 
 DEFINE_NATIVE_ENTRY(Developer_registerExtension, 2) {
+#if defined(PRODUCT)
+  return Object::null();
+#else
   if (!FLAG_support_service) {
     return Object::null();
   }
   GET_NON_NULL_NATIVE_ARGUMENT(String, name, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Instance, handler, arguments->NativeArgAt(1));
   // We don't allow service extensions to be registered for the
   // service isolate.  This can happen, for example, because the
   // service isolate uses dart:io.  If we decide that we want to start
   // supporting this in the future, it will take some work.
   if (!ServiceIsolate::IsServiceIsolateDescendant(isolate)) {
     isolate->RegisterServiceExtensionHandler(name, handler);
   }
   return Object::null();
+#endif  // PRODUCT
 }
 
 }  // namespace dart