Add ENABLE_DEBUGGER_SUPPORT macro....

src/execution.h

 // Copyright 2006-2008 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 100 matching lines @@
       Handle<FunctionTemplateInfo> data, bool* exc);
   static Handle<JSObject> InstantiateObject(Handle<ObjectTemplateInfo> data,
                                             bool* exc);
   static void ConfigureInstance(Handle<Object> instance,
                                 Handle<Object> data,
                                 bool* exc);
   static Handle<String> GetStackTraceLine(Handle<Object> recv,
                                           Handle<JSFunction> fun,
                                           Handle<Object> pos,
                                           Handle<Object> is_global);
-
+#ifdef ENABLE_DEBUGGER_SUPPORT
   static Object* DebugBreakHelper();
+#endif
 
   // If the stack guard is triggered, but it is not an actual
   // stack overflow, then handle the interruption accordingly.
   static Object* HandleStackGuardInterrupt();
 
   // Get a function delegate (or undefined) for the given non-function
   // object. Used for support calling objects as functions.
   static Handle<Object> GetFunctionDelegate(Handle<Object> object);
 };
 
@@ skipping 18 matching lines @@
   // Threading support.
   static char* ArchiveStackGuard(char* to);
   static char* RestoreStackGuard(char* from);
   static int ArchiveSpacePerThread();
 
   static bool IsStackOverflow();
   static bool IsPreempted();
   static void Preempt();
   static bool IsInterrupted();
   static void Interrupt();
+  static void Continue(InterruptFlag after_what);
+#ifdef ENABLE_DEBUGGER_SUPPORT
+  static void DebugBreak();
+  static void DebugCommand();
   static bool IsDebugBreak();
-  static void DebugBreak();
   static bool IsDebugCommand();
-  static void DebugCommand();
-  static void Continue(InterruptFlag after_what);
+#endif
 
  private:
   // You should hold the ExecutionAccess lock when calling this method.
   static bool IsSet(const ExecutionAccess& lock);
 
   // This provides an asynchronous read of the stack limit for the current
   // thread.  There are no locks protecting this, but it is assumed that you
   // have the global V8 lock if you are using multiple V8 threads.
   static uintptr_t climit() {
     return thread_local_.climit_;
@@ skipping 91 matching lines @@
       v8::Handle<v8::String> name);
   static v8::Handle<v8::Value> GC(const v8::Arguments& args);
  private:
   static const char* kSource;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_EXECUTION_H_