Fix dart:io Process callback on Windows platfrom calling convention from cdecl to stdcall.

runtime/bin/process_win.cc

 // 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.
 
 #include <process.h>
 
 #include "bin/builtin.h"
 #include "bin/process.h"
 #include "bin/eventhandler.h"
 #include "bin/thread.h"
@@ skipping 56 matching lines @@
 // started from Dart.
 class ProcessInfoList {
  public:
   static void AddProcess(DWORD pid, HANDLE handle, HANDLE pipe) {
     // Create a wait operation for the process handle to extract
     // the exit code.
     HANDLE wait_handle = INVALID_HANDLE_VALUE;
     BOOL success = RegisterWaitForSingleObject(
         &wait_handle,
         handle,
-        reinterpret_cast<WAITORTIMERCALLBACK>(ExitCodeCallback),
+        &ExitCodeCallback,
         reinterpret_cast<void*>(pid),
         INFINITE,
         WT_EXECUTEONLYONCE);
     if (!success) {
       FATAL("Failed to register exit code wait operation.");
     }
     ProcessInfo* info = new ProcessInfo(pid, handle, wait_handle, pipe);
     // Now mutate the process list under the mutex.
     MutexLocker locker(&mutex_);
     info->set_next(active_processes_);
@@ skipping 33 matching lines @@
         return;
       }
       prev = current;
       current = current->next();
     }
   }
 
  private:
   // Callback called when an exit code is available from one of the
   // processes in the list.
-  static void ExitCodeCallback(void* data, bool timed_out) {
+  static void CALLBACK ExitCodeCallback(PVOID data, BOOLEAN timed_out) {
     if (timed_out) return;
     DWORD pid = reinterpret_cast<DWORD>(data);
     HANDLE handle;
     HANDLE wait_handle;
     HANDLE exit_pipe;
     bool success = LookupProcess(pid, &handle, &wait_handle, &exit_pipe);
     if (!success) {
       FATAL("Failed to lookup process in list of active processes");
     }
     // Unregister the event in a non-blocking way.
@@ skipping 377 matching lines @@
 
 
 void Process::TerminateExitCodeHandler() {
   // Nothing needs to be done on Windows.
 }
 
 
 intptr_t Process::CurrentProcessId() {
   return static_cast<intptr_t>(GetCurrentProcessId());
 }