Fixed test memory leaks

src/debug.h

 // Copyright 2006-2008 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 411 matching lines @@
   static void OnException(Handle<Object> exception, bool uncaught);
   static void OnBeforeCompile(Handle<Script> script);
   static void OnAfterCompile(Handle<Script> script,
                            Handle<JSFunction> fun);
   static void OnNewFunction(Handle<JSFunction> fun);
   static void ProcessDebugEvent(v8::DebugEvent event,
                                 Handle<Object> event_data,
                                 bool auto_continue);
   static void SetEventListener(Handle<Object> callback, Handle<Object> data);
   static void SetMessageHandler(v8::DebugMessageHandler handler, void* data);
+  static void TearDown();
   static void SetHostDispatchHandler(v8::DebugHostDispatchHandler handler,
                                      void* data);
   static void SendMessage(Vector<uint16_t> message);
   static void ProcessCommand(Vector<const uint16_t> command);
   static bool HasCommands();
   static void ProcessHostDispatch(void* dispatch);
   static void UpdateActiveDebugger();
   static Handle<Object> Call(Handle<JSFunction> fun,
                              Handle<Object> data,
                              bool* pending_exception);
@@ skipping 78 matching lines @@
 };
 
 
 /* This class is the data for a running thread that serializes
  * event messages and command processing for the debugger.
  * All uncommented methods are called only from this message thread.
  */
 class DebugMessageThread: public Thread {
  public:
   DebugMessageThread();  // Called from API thread.
-  virtual ~DebugMessageThread();  // Never called.
+  virtual ~DebugMessageThread();
   // Called by V8 thread.  Reports events from V8 VM.
   // Also handles command processing in stopped state of V8,
   // when host_running_ is false.
   void DebugEvent(v8::DebugEvent,
                   Handle<Object> exec_state,
                   Handle<Object> event_data,
                   bool auto_continue);
   // Puts event on the output queue.  Called by V8.
   // This is where V8 hands off
   // processing of the event to the DebugMessageThread thread,
   // which forwards it to the debug_message_handler set by the API.
   void SendMessage(Vector<uint16_t> event_json);
   // Formats an event into JSON, and calls SendMessage.
   bool SetEventJSONFromEvent(Handle<Object> event_data);
   // Puts a command coming from the public API on the queue.  Called
   // by the API client thread.  This is where the API client hands off
   // processing of the command to the DebugMessageThread thread.
   void ProcessCommand(Vector<uint16_t> command);
   void ProcessHostDispatch(void* dispatch);
   void OnDebuggerInactive();
 
   // Main function of DebugMessageThread thread.
   void Run();
 
   // Check whether there are commands in the queue.
   bool HasCommands() { return !command_queue_.IsEmpty(); }
+  void Stop();
 
   bool host_running_;  // Is the debugging host running or stopped?
   Semaphore* command_received_;  // Non-zero when command queue is non-empty.
   Semaphore* message_received_;  // Exactly equal to message queue length.
  private:
   bool TwoByteEqualsAscii(Vector<uint16_t> two_byte, const char* ascii);
 
   static const int kQueueInitialSize = 4;
   LockingMessageQueue command_queue_;
   LockingMessageQueue message_queue_;
+  bool keep_running_;
   DISALLOW_COPY_AND_ASSIGN(DebugMessageThread);
 };
 
 
 // This class is used for entering the debugger. Create an instance in the stack
 // to enter the debugger. This will set the current break state, make sure the
 // debugger is loaded and switch to the debugger context. If the debugger for
 // some reason could not be entered FailedToEnter will return true.
 class EnterDebugger BASE_EMBEDDED {
  public:
@@ skipping 121 matching lines @@
   }
  private:
   Debug::AddressId id_;
   int reg_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_V8_DEBUG_H_