Enable generic method support by default

pkg/analyzer/test/src/summary/summary_common.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.
 
 library analyzer.test.src.summary.summary_common;
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/error/listener.dart';
 import 'package:analyzer/src/dart/scanner/reader.dart';
@@ skipping 56 matching lines @@
     return obj.toString();
   }
 }
 
 UnlinkedPublicNamespace computePublicNamespaceFromText(
     String text, Source source) {
   CharacterReader reader = new CharSequenceReader(text);
   Scanner scanner =
       new Scanner(source, reader, AnalysisErrorListener.NULL_LISTENER);
   Parser parser = new Parser(source, AnalysisErrorListener.NULL_LISTENER);
-  parser.parseGenericMethods = true;
   CompilationUnit unit = parser.parseCompilationUnit(scanner.tokenize());
   UnlinkedPublicNamespace namespace = new UnlinkedPublicNamespace.fromBuffer(
       public_namespace.computePublicNamespace(unit).toBuffer());
   return namespace;
 }
 
 /**
  * Type of a function that validates an [EntityRef].
  */
 typedef void _EntityRefValidator(EntityRef entityRef);
@@ skipping 10275 matching lines @@
 class _PrefixExpectation {
   final ReferenceKind kind;
   final String name;
   final String absoluteUri;
   final String relativeUri;
   final int numTypeParameters;
 
   _PrefixExpectation(this.kind, this.name,
       {this.absoluteUri, this.relativeUri, this.numTypeParameters: 0});
 }