thread isolate for DebugMessage

src/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 3606 matching lines @@
 bool MessageImpl::WillStartRunning() const {
   return running_;
 }
 
 
 v8::Handle<v8::Object> MessageImpl::GetExecutionState() const {
   return v8::Utils::ToLocal(exec_state_);
 }
 
 
+v8::Isolate* MessageImpl::GetIsolate() const {
+  return reinterpret_cast<v8::Isolate*>(exec_state_->GetIsolate());
+}
+
+
 v8::Handle<v8::Object> MessageImpl::GetEventData() const {
   return v8::Utils::ToLocal(event_data_);
 }
 
 
 v8::Handle<v8::String> MessageImpl::GetJSON() const {
   v8::HandleScope scope(
       reinterpret_cast<v8::Isolate*>(event_data_->GetIsolate()));
 
   if (IsEvent()) {
@@ skipping 207 matching lines @@
     {
       Locker locker(reinterpret_cast<v8::Isolate*>(isolate_));
       isolate_->debugger()->CallMessageDispatchHandler();
     }
   }
 }
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 } }  // namespace v8::internal