Remove Futures class, move methods to Future.

samples/dartcombat/state.dart

 // 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.
 
 part of dartcombatlib;
 
 void spawnPlayer() {
   PlayerState state = new PlayerState();
   port.receive(state.dispatch);
 }
@@ skipping 170 matching lines @@
   static const DOWN_DIR = const [0, 1];
 
   Future<bool> _exploreAllDirections(int x, int y, bool parallel) {
     Completer<bool> superShot_ = new Completer<bool>();
     if (parallel) {
       final arr = new List<Future<bool>>();
       arr.add(_exploreDirectionHelper(LEFT_DIR, x, y));
       arr.add(_exploreDirectionHelper(RIGHT_DIR, x, y));
       arr.add(_exploreDirectionHelper(UP_DIR, x, y));
       arr.add(_exploreDirectionHelper(DOWN_DIR, x, y));
-      Futures.wait(arr).then((arrValues) {
+      Future.wait(arr).then((arrValues) {
         superShot_.complete(true);
       });
     } else {
       _seqExploreDirectionHelper(LEFT_DIR, x, y, superShot_,
           _seqExploreDirectionHelper(RIGHT_DIR, x, y, superShot_,
             _seqExploreDirectionHelper(UP_DIR, x, y, superShot_,
               _seqExploreDirectionHelper(DOWN_DIR, x, y, superShot_, null))))(false);
     }
     return superShot_.future;
   }
@@ skipping 94 matching lines @@
       case Constants.SUNK:
         totalHits++;
         boatsSunk++;
         _enemyView.addHit(x, y);
         enemyGrid.hit(x, y);
         break;
     }
     _enemyView.statusBar.updateStatus();
   }
 }