Remove AST-hack for multi-field declarations.

tests/compiler/dart2js/semantic_visitor_test_decl_data.dart

 // Copyright (c) 2015, 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.
 
 part of dart2js.semantics_visitor_test;
 
 const Map<String, List<Test>> DECL_TESTS = const {
   'Function declarations': const [
     const Test(
         '''
@@ skipping 643 matching lines @@
         ]),
     const Test.clazz(
         '''
         class C {
           var m, n;
         }
         ''',
         const [
           const Visit(VisitKind.VISIT_INSTANCE_FIELD_DECL,
               element: 'field(C#m)'),
+          const Visit(VisitKind.VISIT_INSTANCE_FIELD_DECL,
+              element: 'field(C#n)'),
         ]),
     const Test.clazz(
         '''
         class C {
           var m = 42;
         }
         ''',
         const [
           const Visit(VisitKind.VISIT_INSTANCE_FIELD_DECL,
               element: 'field(C#m)',
@@ skipping 106 matching lines @@
                 element: 'field(C#m)'),
         ]),
     const Test.clazz(
         '''
         class C {
           static var m, n;
         }
         ''',
         const [
           const Visit(VisitKind.VISIT_STATIC_FIELD_DECL,
-                element: 'field(C#m)'),
+              element: 'field(C#m)'),
+          const Visit(VisitKind.VISIT_STATIC_FIELD_DECL,
+              element: 'field(C#n)'),
         ]),
     const Test.clazz(
         '''
         class C {
           static var k, l, m, n;
         }
         ''',
         const [
           const Visit(VisitKind.VISIT_STATIC_FIELD_DECL,
-                element: 'field(C#m)'),
+              element: 'field(C#k)'),
+          const Visit(VisitKind.VISIT_STATIC_FIELD_DECL,
+              element: 'field(C#l)'),
+          const Visit(VisitKind.VISIT_STATIC_FIELD_DECL,
+              element: 'field(C#m)'),
+          const Visit(VisitKind.VISIT_STATIC_FIELD_DECL,
+              element: 'field(C#n)'),
         ]),
     const Test.clazz(
         '''
         class C {
           static var m = 42;
         }
         ''',
         const [
           const Visit(VisitKind.VISIT_STATIC_FIELD_DECL,
                 element: 'field(C#m)',
                 rhs: 42),
         ]),
     const Test.clazz(
         '''
         class C {
           static var m = 42, n = true;
         }
         ''',
         const [
           const Visit(VisitKind.VISIT_STATIC_FIELD_DECL,
                 element: 'field(C#m)',
                 rhs: 42),
+          const Visit(VisitKind.VISIT_STATIC_FIELD_DECL,
+              element: 'field(C#n)',
+              rhs: true),
         ]),
     const Test.clazz(
         '''
         class C {
           static const m = 42;
         }
         ''',
         const [
           const Visit(VisitKind.VISIT_STATIC_CONSTANT_DECL,
                 element: 'field(C#m)',
                 constant: 42),
         ]),
     const Test(
         '''
         var m;
         ''',
         const [
           const Visit(VisitKind.VISIT_TOP_LEVEL_FIELD_DECL,
                 element: 'field(m)'),
         ]),
     const Test(
         '''
         var m, n;
         ''',
         const [
           const Visit(VisitKind.VISIT_TOP_LEVEL_FIELD_DECL,
-                element: 'field(m)'),
+              element: 'field(m)'),
+          const Visit(VisitKind.VISIT_TOP_LEVEL_FIELD_DECL,
+              element: 'field(n)'),
         ]),
     const Test(
         '''
         var m = 42;
         ''',
         const [
           const Visit(VisitKind.VISIT_TOP_LEVEL_FIELD_DECL,
                 element: 'field(m)',
                 rhs: 42),
         ]),
     const Test(
         '''
         const m = 42;
         ''',
         const [
           const Visit(VisitKind.VISIT_TOP_LEVEL_CONSTANT_DECL,
                 element: 'field(m)',
                 constant: 42),
         ]),
   ],
 };