Removed some unused debugger functions.

src/debug.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 328 matching lines @@
                                        bool* caught_exception);
   static Handle<Object> MakeExceptionEvent(Handle<Object> exec_state,
                                            Handle<Object> exception,
                                            bool uncaught,
                                            bool* caught_exception);
   static Handle<Object> MakeNewFunctionEvent(Handle<Object> func,
                                              bool* caught_exception);
   static Handle<Object> MakeCompileEvent(Handle<Script> script,
                                          Handle<Object> script_function,
                                          bool* caught_exception);
-  static Handle<String> ProcessRequest(Handle<Object> exec_state,
-                                       Handle<Object> request,
-                                       bool stopped);
   static void OnDebugBreak(Handle<Object> break_points_hit);
   static void OnException(Handle<Object> exception, bool uncaught);
   static void OnBeforeCompile(Handle<Script> script);
   static void OnAfterCompile(Handle<Script> script,
                            Handle<JSFunction> fun);
   static void OnNewFunction(Handle<JSFunction> fun);
   static void ProcessDebugEvent(v8::DebugEvent event,
                                 Handle<Object> event_data);
   static void SetMessageHandler(v8::DebugMessageHandler handler, void* data);
   static void SendMessage(Vector<uint16_t> message);
@@ skipping 211 matching lines @@
   }
  private:
   Debug::AddressId id_;
   int reg_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_V8_DEBUG_H_