Revert "Insert checks before deferred calls and accesses."

tests/language/deferred_not_loaded_check_test.dart

-// Copyright (c) 2014, 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 'package:expect/expect.dart';
-import 'package:async_helper/async_helper.dart';
-
-import "deferred_not_loaded_check_lib.dart" deferred as lib;
-
-// Test that we give appropriate errors when accessing an element that is not
-// yet loaded.
-
-var c;
-
-expectNoSideEffect(test) {
-  c = 0;
-  test();
-  Expect.isTrue(c == 0);
-}
-
-expectThrowsNotLoaded(test){
-  Expect.throws(test, (e) => e is Error);
-}
-
-int sideEffect() {
-  c = 1;
-  return 10;
-}
-
-void main() {
-  expectNoSideEffect(() {
-    expectThrowsNotLoaded(() {
-      lib.foo(sideEffect());
-    });
-  });
-  expectNoSideEffect(() {
-    expectThrowsNotLoaded(() {
-      lib.C.foo(sideEffect());
-    });
-  });
-  expectNoSideEffect(() {
-    expectThrowsNotLoaded(() {
-      new lib.C(sideEffect());
-    });
-  });
-  expectThrowsNotLoaded(() {
-    lib.a;
-  });
-  expectNoSideEffect(() {
-    expectThrowsNotLoaded(() {
-      lib.a = sideEffect();
-    });
-  });
-  expectThrowsNotLoaded(() {
-    lib.getter;
-  });
-  expectNoSideEffect(() {
-    expectThrowsNotLoaded(() {
-      lib.setter = sideEffect();
-    });
-  });
-  expectNoSideEffect(() {
-    expectThrowsNotLoaded(() {
-      lib.list[sideEffect()] = sideEffect();
-    });
-  });
-  expectNoSideEffect(() {
-    expectThrowsNotLoaded(() {
-      lib.closure(sideEffect());
-    });
-  });
-}