Include ':' before constructor separators into AST with Fasta.

pkg/analyzer/test/generated/parser_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.
 
 library analyzer.test.generated.parser_test;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/standard_ast_factory.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/dart/ast/visitor.dart';
@@ skipping 1180 matching lines @@
         ConstructorFieldInitializer, initializer);
     EngineTestCase.assertInstanceOf(
         (obj) => obj is ParenthesizedExpression,
         ParenthesizedExpression,
         (initializer as ConstructorFieldInitializer).expression);
     EngineTestCase.assertInstanceOf(
         (obj) => obj is BlockFunctionBody, BlockFunctionBody, constructor.body);
   }
 
   void test_parseConstructorFieldInitializer_qualified() {
-    createParser('this.a = b');
-    ConstructorFieldInitializer initializer =
-        parser.parseConstructorFieldInitializer(true);
+    var initializer = parseConstructorInitializer('this.a = b')
+        as ConstructorFieldInitializer;
     expect(initializer, isNotNull);
     assertNoErrors();
     expect(initializer.equals, isNotNull);
     expect(initializer.expression, isNotNull);
     expect(initializer.fieldName, isNotNull);
     expect(initializer.thisKeyword, isNotNull);
     expect(initializer.period, isNotNull);
   }
 
   void test_parseConstructorFieldInitializer_unqualified() {
-    createParser('a = b');
-    ConstructorFieldInitializer initializer =
-        parser.parseConstructorFieldInitializer(false);
+    var initializer =
+        parseConstructorInitializer('a = b') as ConstructorFieldInitializer;
     expect(initializer, isNotNull);
     assertNoErrors();
     expect(initializer.equals, isNotNull);
     expect(initializer.expression, isNotNull);
     expect(initializer.fieldName, isNotNull);
     expect(initializer.thisKeyword, isNull);
     expect(initializer.period, isNull);
   }
 
   void test_parseGetter_nonStatic() {
@@ skipping 13505 matching lines @@
     expectCommentText(typeVariable.documentationComment, '/// Doc');
   }
 
   /**
    * Assert that the given [name] is in declaration context.
    */
   void _assertIsDeclarationName(SimpleIdentifier name) {
     expect(name.inDeclarationContext(), isTrue);
   }
 }