dart:io | Add Directory.CreateSystemTemp(template) and change Directory.CreateTemp(template).

runtime/bin/io_service.h

Index: runtime/bin/io_service.h
diff --git a/runtime/bin/io_service.h b/runtime/bin/io_service.h
index 055903987fa5bc22a5a7fd2ee35dcbdca496eb96..8c1ba9f982c8e17b02bab5d6673190d5abd851d8 100644
--- a/runtime/bin/io_service.h
+++ b/runtime/bin/io_service.h
@@ -12,6 +12,7 @@
 namespace dart {
 namespace bin {
 
+// This list must be kept in sync with the list in sdk/lib/io/io_service.dart
 #define IO_SERVICE_REQUEST_LIST(V)                                             \
   V(File, Exists, 0)                                                           \
   V(File, Create, 1)                                                           \
@@ -46,11 +47,12 @@ namespace bin {
   V(Directory, Delete, 30)                                                     \
   V(Directory, Exists, 31)                                                     \
   V(Directory, CreateTemp, 32)                                                 \
-  V(Directory, ListStart, 33)                                                  \
-  V(Directory, ListNext, 34)                                                   \
-  V(Directory, ListStop, 35)                                                   \
-  V(Directory, Rename, 36)                                                     \
-  V(SSLFilter, ProcessFilter, 37)
+  V(Directory, CreateSystemTemp, 33)                                           \
+  V(Directory, ListStart, 34)                                                  \
+  V(Directory, ListNext, 35)                                                   \
+  V(Directory, ListStop, 36)                                                   \
+  V(Directory, Rename, 37)                                                     \
+  V(SSLFilter, ProcessFilter, 38)
 
 #define DECLARE_REQUEST(type, method, id)                                      \
   k##type##method##Request = id,
@@ -68,4 +70,3 @@ IO_SERVICE_REQUEST_LIST(DECLARE_REQUEST)
 }  // namespace dart
 
 #endif  // BIN_IO_SERVICE_H_
-