Change all File APIs to make the mode and encoding arguments named

tests/standalone/io/file_invalid_arguments_test.dart

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2013, 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.
 
 import "dart:io";
 import "dart:isolate";
 
 void testReadInvalidArgs(arg) {
   var port = new ReceivePort();
   String filename = getFilename("tests/vm/data/fixed_length_file");
   var file = (new File(filename)).openSync();
@@ skipping 43 matching lines @@
     file.close().then((ignore) {
       Expect.equals(1, errors);
       port.close();
     });
   });
 }
 
 void testWriteByteInvalidArgs(value) {
   var port = new ReceivePort();
   String filename = getFilename("tests/vm/data/fixed_length_file");
-  var file = (new File("${filename}_out")).openSync(FileMode.WRITE);
+  var file = (new File("${filename}_out")).openSync(mode: FileMode.WRITE);
   try {
     file.writeByteSync(value);
     Expect.fail('exception expected');
   } catch (e) {
     Expect.isTrue(e is FileIOException);
     Expect.isTrue(e.toString().contains('Invalid argument'));
   }
 
   var writeByteFuture = file.writeByte(value);
   writeByteFuture.then((ignore) {
     Expect.fail('exception expected');
   }).catchError((s) {
     Expect.isTrue(s.error is FileIOException);
     Expect.isTrue(s.error.toString().contains('Invalid argument'));
     file.close().then((ignore) {
       port.close();
     });
   });
 }
 
 void testWriteListInvalidArgs(buffer, offset, bytes) {
   var port = new ReceivePort();
   String filename = getFilename("tests/vm/data/fixed_length_file");
-  var file = (new File("${filename}_out")).openSync(FileMode.WRITE);
+  var file = (new File("${filename}_out")).openSync(mode: FileMode.WRITE);
   try {
     file.writeListSync(buffer, offset, bytes);
     Expect.fail('exception expected');
   } catch (e) {
     Expect.isTrue(e is FileIOException);
     Expect.isTrue(e.toString().contains('Invalid arguments'));
   }
 
   var writeListFuture = file.writeList(buffer, offset, bytes);
   writeListFuture.then((ignore) {
     Expect.fail('exception expected');
   }).catchError((s) {
     Expect.isTrue(s.error is FileIOException);
     Expect.isTrue(s.error.toString().contains('Invalid arguments'));
     file.close().then((ignore) {
       port.close();
     });
   });
 }
 
 void testWriteStringInvalidArgs(string) {
   var port = new ReceivePort();
   String filename = getFilename("tests/vm/data/fixed_length_file");
   var file = new File("${filename}_out");
-  file.openSync(FileMode.WRITE);
+  file.openSync(node: FileMode.WRITE);

[Mads Ager (google), 2013/03/13 16:08:45]

mode!

   try {
     file.writeString(string);
     Expect.fail('exception expected');
   } catch (e) {
     Expect.isTrue(e is FileIOException);
     Expect.isTrue(e.toString().contains('writeString failed'));
   }
 
   var errors = 0;
   file.onError = (s) {
@@ skipping 19 matching lines @@
 main() {
   testReadInvalidArgs('asdf');
   testReadListInvalidArgs(12, 0, 1);
   testReadListInvalidArgs(new List(10), '0', 1);
   testReadListInvalidArgs(new List(10), 0, '1');
   testWriteByteInvalidArgs('asdf');
   testWriteListInvalidArgs(12, 0, 1);
   testWriteListInvalidArgs(new List(10), '0', 1);
   testWriteListInvalidArgs(new List(10), 0, '1');
 }