Revert "Deprecate some debugger methods"

src/d8-debug.cc

 // Copyright 2012 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 32 matching lines @@
   printf("%s", prompt);
   fflush(stdout);
 }
 
 
 void PrintPrompt() {
   PrintPrompt(was_running);
 }
 
 
-void HandleDebugEvent(const Debug::EventDetails& event_details) {
+void HandleDebugEvent(DebugEvent event,
+                      Handle<Object> exec_state,
+                      Handle<Object> event_data,
+                      Handle<Value> data) {
   // TODO(svenpanne) There should be a way to retrieve this in the callback.
   Isolate* isolate = Isolate::GetCurrent();
   HandleScope scope(isolate);
 
-  DebugEvent event = event_details.GetEvent();
   // Check for handled event.
   if (event != Break && event != Exception && event != AfterCompile) {
     return;
   }
 
   TryCatch try_catch;
 
   // Get the toJSONProtocol function on the event and get the JSON format.
   Local<String> to_json_fun_name = String::New("toJSONProtocol");
-  Handle<Object> event_data = event_details.GetEventData();
   Local<Function> to_json_fun =
       Local<Function>::Cast(event_data->Get(to_json_fun_name));
   Local<Value> event_json = to_json_fun->Call(event_data, 0, NULL);
   if (try_catch.HasCaught()) {
     Shell::ReportException(isolate, &try_catch);
     return;
   }
 
   // Print the event details.
   Handle<Object> details =
       Shell::DebugMessageDetails(isolate, Handle<String>::Cast(event_json));
   if (try_catch.HasCaught()) {
     Shell::ReportException(isolate, &try_catch);
     return;
   }
   String::Utf8Value str(details->Get(String::New("text")));
   if (str.length() == 0) {
     // Empty string is used to signal not to process this event.
     return;
   }
   printf("%s\n", *str);
 
   // Get the debug command processor.
   Local<String> fun_name = String::New("debugCommandProcessor");
-  Handle<Object> exec_state = event_details.GetExecutionState();
   Local<Function> fun = Local<Function>::Cast(exec_state->Get(fun_name));
   Local<Object> cmd_processor =
       Local<Object>::Cast(fun->Call(exec_state, 0, NULL));
   if (try_catch.HasCaught()) {
     Shell::ReportException(isolate, &try_catch);
     return;
   }
 
   static const int kBufferSize = 256;
   bool running = false;
@@ skipping 261 matching lines @@
     // Pass the keyboard command to the main thread.
     remote_debugger_->KeyboardCommand(
         i::SmartArrayPointer<char>(i::StrDup(command)));
   }
 }
 
 
 }  // namespace v8
 
 #endif  // ENABLE_DEBUGGER_SUPPORT