Merge IO v2 branch to bleeding edge

runtime/bin/file.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_FILE_H_
 #define BIN_FILE_H_
 
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
 #include <sys/types.h>
 
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
+#include "bin/native_service.h"
 #include "platform/globals.h"
 #include "platform/thread.h"
 
 // Forward declaration.
 class FileHandle;
 
 class File {
  public:
   enum FileOpenMode {
     kRead = 0,
@@ skipping 106 matching lines @@
 
  private:
   explicit File(FileHandle* handle) : handle_(handle) { }
   void Close();
 
   static const int kClosedFd = -1;
 
   // FileHandle is an OS specific class which stores data about the file.
   FileHandle* handle_;  // OS specific handle for the file.
 
-  static dart::Mutex mutex_;
-  static int service_ports_size_;
-  static Dart_Port* service_ports_;
-  static int service_ports_index_;
+  static NativeService file_service_;
 
   DISALLOW_COPY_AND_ASSIGN(File);
 };
 
 #endif  // BIN_FILE_H_