Port the remaining of dart:core to the unified corelib.

corelib/unified/core/implementation/future.dart

Index: corelib/unified/core/implementation/future.dart
diff --git a/corelib/src/implementation/future_implementation.dart b/corelib/unified/core/implementation/future.dart
similarity index 92%
copy from corelib/src/implementation/future_implementation.dart
copy to corelib/unified/core/implementation/future.dart
index 58d78433a059fb005f9dc620449624e7b51a7f33..a0d2475a2d2e9b05a11fe892a7ad568be914c45e 100644
--- a/corelib/src/implementation/future_implementation.dart
+++ b/corelib/unified/core/implementation/future.dart
@@ -211,22 +211,3 @@ class FutureImpl<T> implements Future<T> {
     return completer.future;
   }
 }
-
-class CompleterImpl<T> implements Completer<T> {

[Mads Ager (google), 2012/08/01 13:48:34]

Why move this to a separate file? I would leave future_implementation alone for
now since it doesn't require patching.

[Anders Johnsen, 2012/08/01 14:21:09]

Reverting, see other comment.

-
-  final FutureImpl<T> _futureImpl;
-
-  CompleterImpl() : _futureImpl = new FutureImpl() {}
-
-  Future<T> get future() {
-    return _futureImpl;
-  }
-
-  void complete(T value) {
-    _futureImpl._setValue(value);
-  }
-
-  void completeException(Object exception, [Object stackTrace]) {
-    _futureImpl._setException(exception, stackTrace);
-  }
-}