Handle stdio redirection in standalone VM

runtime/bin/file_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 "bin/file.h"
 
 #include <fcntl.h>
 #include <io.h>
 #include <stdio.h>
 #include <string.h>
@@ skipping 105 matching lines @@
   if (((mode & kWrite) != 0) && ((mode & kTruncate) == 0)) {
     int position = lseek(fd, 0, SEEK_END);
     if (position < 0) {
       return NULL;
     }
   }
   return new File(name, new FileHandle(fd));
 }
 
 
+File* File::OpenStdio(int fd) {
+  UNREACHABLE();
+  return NULL;
+}
+
+
 bool File::Exists(const char* name) {
   struct stat st;
   if (stat(name, &st) == 0) {
     return ((st.st_mode & S_IFMT) == S_IFREG);
   } else {
     return false;
   }
 }
 
 
@@ skipping 34 matching lines @@
 
 
 const char* File::PathSeparator() {
   return "\\";
 }
 
 
 const char* File::StringEscapedPathSeparator() {
   return "\\\\";
 }
+
+
+File::StdioHandleType File::GetStdioHandleType(int fd) {
+  // Treat all stdio handles as pipes. The Windows event handler and
+  // socket code will handle the different handle types.
+  return kPipe;
+}