dart:io | Add FileSystemEntity.typeSync to test for symbolic links.

runtime/bin/file_win.cc

Index: runtime/bin/file_win.cc
diff --git a/runtime/bin/file_win.cc b/runtime/bin/file_win.cc
index e18071aacae8c871336394e4b4c05ba85dca5e08..92c7c157fb94113d05f0c90342f71a64f026cce3 100644
--- a/runtime/bin/file_win.cc
+++ b/runtime/bin/file_win.cc
@@ -270,4 +270,24 @@ File::StdioHandleType File::GetStdioHandleType(int fd) {
   return kPipe;
 }
 
+
+File::Type File::GetType(const char* pathname, bool follow_links) {
+  struct _stat entry_info;
+  const wchar_t* system_name = StringUtils::Utf8ToWide(pathname);
+  // TODO(whesse): We need to use FileGetAttributes here, and more complex
+  // checks.
+  int stat_success = _wstat(system_name, &st);
+  free(const_cast<wchar_t*>(system_name));
+  if (stat_success == -1) return File::kDoesNotExist;
+  if (S_ISDIR(entry_info.st_mode)) return File::kIsDirectory;
+  if (S_ISREG(entry_info.st_mode)) return File::kIsFile;
+  //  if (S_ISLNK(entry_info.st_mode)) return File::kIsLink;
+  return File::kDoesNotExist;
+}
+
+  struct _stat st;
+  const wchar_t* system_name = StringUtils::Utf8ToWide(name);
+  int stat_status = _wstat(system_name, &st);
+  free(const_cast<wchar_t*>(system_name));
+
 #endif  // defined(TARGET_OS_WINDOWS)