Implement Function.apply in dart2js.

tests/corelib/apply_test.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.
 
 // Testing Function.apply calls correctly.
 // This test is not testing error handling, only that correct parameters
 // cause a correct call.
 
 int test0() => 42;
 int test0a({int a}) => 37 + a;
@@ skipping 30 matching lines @@
   }
   testList(res, func, list) {
     Expect.equals(res, Function.apply(func, list));
     Expect.equals(res, Function.apply(func, list, null));
     Expect.equals(res, Function.apply(func, list, {}));
   }
   test(res, func, list, map) {
     Expect.equals(res, Function.apply(func, list, map));
   }
   testList(42, test0, null);
-  testList(42, test0, []]);
+  testList(42, test0, []);
   testMap(42, test0a, {"a": 5});
   testList(42, test1, [41]);
   test(42, test1a, [20], {"a": 22});
   testList(42, test2, [20, 22]);
   test(42, test2a, [10, 15], {"a" : 17});
 
   testList(false, testPassed1, null);
   testList(false, testPassed1, []);
   testList(true, testPassed1, [42]);
 
   testMap(false, testPassedX, null);
   testMap(false, testPassedX, {});
   testMap(true, testPassedX, {"x": 42});
 
   // Test that "this" is correct when calling closurized functions.
   var cfoo = new C().foo;
   testList(42, cfoo, [32]);
 
   // Test that apply works even with a different name.
   var app = confuse();
   Expect.equals(42, app(test2, [22, 20]));
 
   // Test that apply can itself be applied.
   Expect.equals(42, Function.apply(Function.apply, [test2, [17, 25]]));
 
   // Test that apply works on callable objects.
   testList(42, new Callable(), [13, 29]);
 }