Move getters from Options to Platform

tests/standalone/io/file_test.dart

 // 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.
 //
 // Dart test program for testing file I/O.
 
 import "package:expect/expect.dart";
 import 'dart:async';
 import 'dart:collection';
 import 'dart:io';
@@ skipping 1088 matching lines @@
         readAsLinesFuture.then((lines) => Expect.fail("no lines expected"))
         .catchError((e) {
           port.toSendPort().send(1);
         });
       });
     });
   }
 
   static void testLastModified() {
     var port = new ReceivePort();
-    new File(new Options().executable).lastModified().then((modified) {
+    new File(Platform.executable).lastModified().then((modified) {
       Expect.isTrue(modified is DateTime);
       Expect.isTrue(modified.isBefore(new DateTime.now()));
       port.close();
     });
   }
 
   static void testLastModifiedSync() {
-    var modified = new File(new Options().executable).lastModifiedSync();
+    var modified = new File(Platform.executable).lastModifiedSync();
     Expect.isTrue(modified is DateTime);
     Expect.isTrue(modified.isBefore(new DateTime.now()));
   }
 
   // Test that opens the same file for writing then for appending to test
   // that the file is not truncated when opened for appending.
   static void testAppend() {
     var file = new File('${tempDirectory.path}/out_append');
     file.open(mode: WRITE).then((openedFile) {
       openedFile.writeString("asdf").then((ignore) {
@@ skipping 203 matching lines @@
       testWriteStringUtf8Sync();
       testRename();
       testRenameSync();
     });
   }
 }
 
 main() {
   FileTest.testMain();
 }