Make analyzer happy and use annotations the right way.

tests/language/inferrer_constructor2_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.
 
 // Regression test for dart2js that used to optimistically infer the
 // wrong types for fields because of generative constructors being
 // inlined.
 
 import "package:expect/expect.dart";
 import "compiler_annotations.dart";
 
 class A {
   var foo;
   var bar;
 
-  @DontInline
+  @DontInline()
   A() {
     // Currently defeat inlining by using a closure.
     bar = () => 42;
     foo = 54;
   }
   A.inline();
 }
 
 main() {
   // Make sure A's constructor is analyzed first by surrounding the
   // body by two allocations.
   new A();
   bar();
   new A();
 }
 
 class B {
   var bar;
   var closure;
-  @DontInline
+  @DontInline()
   B() {
     // Currently defeat inlining by using a closure.
     closure = () => 42;
     bar = new A().foo;
   }
 }
 
-@DontInline
+@DontInline()
 bar() {
   // Make sure B's constructor is analyzed first by surrounding the
   // body by two allocations.
   new B();
   // Currently defeat inlining by using a closure.
   Expect.throws(() => new A.inline().foo + 42, (e) => e is NoSuchMethodError);
   codegenLast();
   new B();
 }
 
-@DontInline
+@DontInline()
 codegenLast() {
   // This assignment currently defeats simple type inference, but not
   // the optimistic inferrer.
   new A().foo = new B().bar;
   // Currently defeat inlining by using a closure.
   new B().closure = () => 42;
 }