Always include debugger support.

src/isolate-inl.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 36 matching lines @@
   c_entry_fp_ = isolate->c_entry_fp(isolate->thread_local_top());
 }
 
 
 bool Isolate::IsCodePreAgingActive() {
   return FLAG_optimize_for_size && FLAG_age_code && !IsDebuggerActive();
 }
 
 
 bool Isolate::IsDebuggerActive() {
-#ifdef ENABLE_DEBUGGER_SUPPORT
   if (!NoBarrier_Load(&debugger_initialized_)) return false;
   return debugger()->IsDebuggerActive();
-#else
-  return false;
-#endif
 }
 
 
 bool Isolate::DebuggerHasBreakPoints() {
-#ifdef ENABLE_DEBUGGER_SUPPORT
   return debug()->has_break_points();
-#else
-  return false;
-#endif
 }
 
 
 RandomNumberGenerator* Isolate::random_number_generator() {
   if (random_number_generator_ == NULL) {
     random_number_generator_ = new RandomNumberGenerator;
   }
   return random_number_generator_;
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_ISOLATE_INL_H_