Remove more feature in product mode

runtime/vm/isolate.h

 // Copyright (c) 2013, 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.
 
 #ifndef VM_ISOLATE_H_
 #define VM_ISOLATE_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/atomic.h"
@@ skipping 539 matching lines @@
   }
   static intptr_t default_tag_offset() {
     return OFFSET_OF(Isolate, default_tag_);
   }
 
 #define ISOLATE_METRIC_ACCESSOR(type, variable, name, unit)                    \
   type* Get##variable##Metric() { return &metric_##variable##_; }
   ISOLATE_METRIC_LIST(ISOLATE_METRIC_ACCESSOR);
 #undef ISOLATE_METRIC_ACCESSOR
 
+#ifndef PRODUCT
 #define ISOLATE_TIMELINE_STREAM_ACCESSOR(name, not_used)                       \
   TimelineStream* Get##name##Stream() { return &stream_##name##_; }
   ISOLATE_TIMELINE_STREAM_LIST(ISOLATE_TIMELINE_STREAM_ACCESSOR)
 #undef ISOLATE_TIMELINE_STREAM_ACCESSOR
+#else
+#define ISOLATE_TIMELINE_STREAM_ACCESSOR(name, not_used)                       \
+  TimelineStream* Get##name##Stream() { return NULL; }
+  ISOLATE_TIMELINE_STREAM_LIST(ISOLATE_TIMELINE_STREAM_ACCESSOR)
+#undef ISOLATE_TIMELINE_STREAM_ACCESSOR
+#endif  // !PRODUCT
 
   static intptr_t IsolateListLength();
 
   RawGrowableObjectArray* tag_table() const { return tag_table_; }
   void set_tag_table(const GrowableObjectArray& value);
 
   RawUserTag* current_tag() const { return current_tag_; }
   void set_current_tag(const UserTag& tag);
 
   RawUserTag* default_tag() const { return default_tag_; }
@@ skipping 250 matching lines @@
   // This guards spawn_count_. An isolate cannot complete shutdown and be
   // destroyed while there are child isolates in the midst of a spawn.
   Monitor* spawn_count_monitor_;
   intptr_t spawn_count_;
 
 #define ISOLATE_METRIC_VARIABLE(type, variable, name, unit)                    \
   type metric_##variable##_;
   ISOLATE_METRIC_LIST(ISOLATE_METRIC_VARIABLE);
 #undef ISOLATE_METRIC_VARIABLE
 
+#ifndef PRODUCT
 #define ISOLATE_TIMELINE_STREAM_VARIABLE(name, not_used)                       \
   TimelineStream stream_##name##_;
   ISOLATE_TIMELINE_STREAM_LIST(ISOLATE_TIMELINE_STREAM_VARIABLE)
 #undef ISOLATE_TIMELINE_STREAM_VARIABLE
+#endif  // !PRODUCT
 
   static Dart_IsolateCreateCallback create_callback_;
   static Dart_IsolateShutdownCallback shutdown_callback_;
   static Dart_FileOpenCallback file_open_callback_;
   static Dart_FileReadCallback file_read_callback_;
   static Dart_FileWriteCallback file_write_callback_;
   static Dart_FileCloseCallback file_close_callback_;
   static Dart_EntropySource entropy_source_callback_;
   static Dart_IsolateInterruptCallback vmstats_callback_;
 
@@ skipping 146 matching lines @@
   intptr_t* spawn_count_;
 
   Isolate::Flags isolate_flags_;
   bool paused_;
   bool errors_are_fatal_;
 };
 
 }  // namespace dart
 
 #endif  // VM_ISOLATE_H_