Fix debugging module(replace int with intptr_t) so it works on Windows x64.

runtime/bin/dbg_connection.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef BIN_DBG_CONNECTION_H_
 #define BIN_DBG_CONNECTION_H_
 
 #include "bin/builtin.h"
 #include "bin/utils.h"
 
@@ skipping 19 matching lines @@
 namespace dart {
 namespace bin {
 
 // Forward declarations.
 class DbgMessage;
 class MessageBuffer;
 
 
 class DebuggerConnectionHandler {
  public:
-  explicit DebuggerConnectionHandler(int debug_fd);
+  explicit DebuggerConnectionHandler(intptr_t debug_fd);
   ~DebuggerConnectionHandler();
 
   // Accessors.
-  int debug_fd() const { return debug_fd_; }
+  intptr_t debug_fd() const { return debug_fd_; }
 
   // Return message id of current debug command message.
   int MessageId();
 
   // Starts the native thread which listens for connections from
   // debugger clients, reads and dispatches debug command messages
   // from the client.
   static int StartHandler(const char* address, int port_number);
 
   // Initializes the parts of the debugger which are needed by the vm
   // service.  This function should only be called when StartHandler
   // is not called.
   static void InitForVmService();
 
   // Called by Isolates when they need to wait for a connection
   // from debugger clients.
   static void WaitForConnection();
 
   // Sends a reply or an error message to a specific debugger client.
-  static void SendMsg(int debug_fd, dart::TextBuffer* msg);
-  static void SendError(int debug_fd, int msg_id, const char* err_msg);
+  static void SendMsg(intptr_t debug_fd, dart::TextBuffer* msg);
+  static void SendError(intptr_t debug_fd, int msg_id, const char* err_msg);
 
   // Sends an event message to all debugger clients that are connected.
   static void BroadcastMsg(dart::TextBuffer* msg);
 
  private:
   void HandleUnknownMsg();
   void HandleMessages();
 
   void CloseDbgConnection();
 
   // The socket that connects with the debugger client.
   // The descriptor is created and closed by the debugger connection thread.
-  int debug_fd_;
+  intptr_t debug_fd_;
 
   // Buffer holding the messages received over the wire from the debugger
   // front end..
   MessageBuffer* msgbuf_;
 
   // Accepts connection requests from debugger client and sets up a
   // connection handler object to read and handle messages from the client.
-  static void AcceptDbgConnection(int debug_fd);
+  static void AcceptDbgConnection(intptr_t debug_fd);
 
   // Handlers for generic debug command messages which are not specific to
   // an isolate.
   static void HandleInterruptCmd(DbgMessage* msg);
   static void HandleIsolatesListCmd(DbgMessage* msg);
 
   // Helper methods to manage debugger client connections.
-  static void AddNewDebuggerConnection(int debug_fd);
-  static void RemoveDebuggerConnection(int debug_fd);
-  static DebuggerConnectionHandler* GetDebuggerConnectionHandler(int debug_fd);
+  static void AddNewDebuggerConnection(intptr_t debug_fd);
+  static void RemoveDebuggerConnection(intptr_t debug_fd);
+  static DebuggerConnectionHandler* GetDebuggerConnectionHandler(
+                                       intptr_t debug_fd);
   static bool IsConnected();
 
   // Helper method for sending messages back to a debugger client.
-  static void SendMsgHelper(int debug_fd, dart::TextBuffer* msg);
+  static void SendMsgHelper(intptr_t debug_fd, dart::TextBuffer* msg);
 
   // mutex/condition variable used by isolates when writing back to the
   // debugger. This is also used to ensure that the isolate waits for
   // a debugger to be attached when that is requested on the command line.
   static dart::Monitor* handler_lock_;
 
   static bool IsListening() {
     return listener_fd_ != -1;
   }
 
   // The socket that is listening for incoming debugger connections.
   // This descriptor is created and closed by a native thread.
-  static int listener_fd_;
+  static intptr_t listener_fd_;
 
   friend class DebuggerConnectionImpl;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(DebuggerConnectionHandler);
 };
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // BIN_DBG_CONNECTION_H_