Added a version of the v8::HandleScope constructor with an Isolate and use that consistently.

src/d8-debug.h

 // Copyright 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 25 matching lines @@
 namespace v8 {
 
 
 void HandleDebugEvent(DebugEvent event,
                       Handle<Object> exec_state,
                       Handle<Object> event_data,
                       Handle<Value> data);
 
 // Start the remove debugger connecting to a V8 debugger agent on the specified
 // port.
-void RunRemoteDebugger(int port);
+void RunRemoteDebugger(Isolate* isolate, int port);
 
 // Forward declerations.
 class RemoteDebuggerEvent;
 class ReceiverThread;
 
 
 // Remote debugging class.
 class RemoteDebugger {
  public:
-  explicit RemoteDebugger(int port)
-      : port_(port),
+  explicit RemoteDebugger(Isolate* isolate, int port)
+      : isolate_(isolate),
+        port_(port),
         event_access_(i::OS::CreateMutex()),
         event_available_(i::OS::CreateSemaphore(0)),
         head_(NULL), tail_(NULL) {}
   void Run();
 
   // Handle events from the subordinate threads.
   void MessageReceived(i::SmartArrayPointer<char> message);
   void KeyboardCommand(i::SmartArrayPointer<char> command);
   void ConnectionClosed();
 
  private:
   // Add new debugger event to the list.
   void AddEvent(RemoteDebuggerEvent* event);
   // Read next debugger event from the list.
   RemoteDebuggerEvent* GetEvent();
 
   // Handle a message from the debugged V8.
   void HandleMessageReceived(char* message);
   // Handle a keyboard command.
   void HandleKeyboardCommand(char* command);
 
   // Get connection to agent in debugged V8.
   i::Socket* conn() { return conn_; }
 
+  Isolate* isolate_;
   int port_;  // Port used to connect to debugger V8.
   i::Socket* conn_;  // Connection to debugger agent in debugged V8.
 
   // Linked list of events from debugged V8 and from keyboard input. Access to
   // the list is guarded by a mutex and a semaphore signals new items in the
   // list.
   i::Mutex* event_access_;
   i::Semaphore* event_available_;
   RemoteDebuggerEvent* head_;
   RemoteDebuggerEvent* tail_;
@@ skipping 56 matching lines @@
   RemoteDebuggerEvent* next_;
 
   friend class RemoteDebugger;
 };
 
 
 }  // namespace v8
 
 
 #endif  // V8_D8_DEBUG_H_