thread isolate for DebugMessage

src/debug.h

 // 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 650 matching lines @@
   // Implementation of interface v8::Debug::Message.
   virtual bool IsEvent() const;
   virtual bool IsResponse() const;
   virtual DebugEvent GetEvent() const;
   virtual bool WillStartRunning() const;
   virtual v8::Handle<v8::Object> GetExecutionState() const;
   virtual v8::Handle<v8::Object> GetEventData() const;
   virtual v8::Handle<v8::String> GetJSON() const;
   virtual v8::Handle<v8::Context> GetEventContext() const;
   virtual v8::Debug::ClientData* GetClientData() const;
+  virtual v8::Isolate* GetIsolate() const;
 
  private:
   MessageImpl(bool is_event,
               DebugEvent event,
               bool running,
               Handle<JSObject> exec_state,
               Handle<JSObject> event_data,
               Handle<String> response_json,
               v8::Debug::ClientData* client_data);
 
@@ skipping 383 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(MessageDispatchHelperThread);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 #endif  // V8_DEBUG_H_