Update language tests to new getter syntax.

dart/tests/language/naming_test.dart

 // Copyright (c) 2011, 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.
 
 class A {
   A() { NamingTest.count++; }
   foo(a, b) {
     Expect.equals(1, a);
     Expect.equals(2, b);
   }
@@ skipping 140 matching lines @@
     Expect.equals(12, this.__PROTO__$());
     Expect.equals(10, this.prototype$());
     Expect.equals(12, __PROTO__$());
   }
 }
 
 class Bug4082360 {
   int x_;
   Bug4082360() {}
 
-  int get x() { return x_; }
+  int get x { return x_; }
   void set x(int value) { x_ = value; }
 
   void indirectSet(int value) { x = value; }
 
   static void test() {
     var bug = new Bug4082360();
     bug.indirectSet(42);
     Expect.equals(42, bug.x_);
     Expect.equals(42, bug.x);
   }
@@ skipping 326 matching lines @@
 
   static void main(args) {
     var a = new Naming1Test.foo();
     a.foo();
   }
 }
 
 // Ensure we don't have false positive.
 class Naming2Test {
   Naming2Test() { }
-  int get foo() { return 1; }
+  int get foo { return 1; }
   set foo(x) { }
 
   static void main(args) {
     var a = new Naming2Test();
     Expect.throws(() => a.foo(2), (e) => e is ObjectNotClosureException);
   }
 }
 
 main() {
   NamingTest.testMain();
   Naming1Test.main(null);
   Naming2Test.main(null);
 }