Get rid of the name in HInvokeDynamic (just use the selector instead).

tests/language/compound_assignment_operator_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.
 // Tests that lhs of a compound assignement is executed only once.
 
 
 class Indexed {
   Indexed() : _f = new List(10), count = 0 {
     _f[0] = 100;
     _f[1] = 200;
@@ skipping 30 matching lines @@
     Expect.equals(3, indexed.count);
     Expect.equals(101, indexed[4][0]);
     Expect.equals(4, indexed.count);
     indexed[4][0] += 10;
     Expect.equals(5, indexed.count);
     Expect.equals(111, indexed[4][0]);
     var i = 0;
     indexed[3][i++] += 1;
     Expect.equals(1, i);
   }
-  
-  
+
   static testIndexedMore() {
      result = [];
      array() { result.add(0); return [0]; }
      index() { result.add(1); return 0; }
      middle() { result.add(2); }
      sequence(a, b, c) { result.add(3); }
 
      sequence(array()[index()] += 1, middle(), array()[index()] += 1);
      Expect.listEquals([0, 1, 2, 0, 1, 3], result);
   }
-  
+
   static testIndexedMoreMore() {
     result = [];
     middle() { result.add(2); }
     obj() { result.add(0); return new A(); }
     sequence(a, b, c) { result.add(3); }
 
     sequence(obj().field += 1, middle(), obj().field += 1);
     Expect.listEquals([0, 1, 2, 0, 1, 3], result);
 
     result = [];
     sequence(A.static_field++, middle(), A.static_field++);
-    Expect.listEquals([0, 1, 2, 0, 1, 3], result);    
+    Expect.listEquals([0, 1, 2, 0, 1, 3], result);
   }
-  
 
   static void testMain() {
     for (int i = 0; i < 1000; i++) {
       testIndexed();
       testIndexedMore();
       testIndexedMoreMore();
     }
   }
 }
 
 main() {
   CompoundAssignmentOperatorTest.testMain();
 }