thread isolate for DebugMessage

R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23904012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16621 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

include/v8-debug.h

@@ -106,6 +106,8 @@ class V8_EXPORT Debug {
      */
     virtual ClientData* GetClientData() const = 0;
 
+    virtual Isolate* GetIsolate() const = 0;
+
     virtual ~Message() {}
   };
 

src/debug-agent.cc

@@ -38,7 +38,8 @@ namespace internal {
 // Public V8 debugger API message handler function. This function just delegates
 // to the debugger agent through it's data parameter.
 void DebuggerAgentMessageHandler(const v8::Debug::Message& message) {
-  DebuggerAgent* agent = Isolate::Current()->debugger_agent_instance();
+  Isolate* isolate = reinterpret_cast<Isolate*>(message.GetIsolate());
+  DebuggerAgent* agent = isolate->debugger_agent_instance();
   ASSERT(agent != NULL);
   agent->DebuggerMessage(message);
 }

src/debug.cc

@@ -3624,6 +3624,11 @@ v8::Handle<v8::Object> MessageImpl::GetExecutionState() const {
 }
 
 
+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_);
 }

src/debug.h

@@ -668,6 +668,7 @@ class MessageImpl: public v8::Debug::Message {
   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,