Revert "Add support for generic function type syntax, part 1" (TBR)

pkg/analyzer/lib/dart/ast/resolution_map.dart

 // Copyright (c) 2016, 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.
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
 
 /**
  * A collection of methods which may be used to map from nodes in a resolved AST
@@ skipping 261 matching lines @@
   /**
    * Return the static type of the expression [node], or `null` if the AST
    * structure has not been resolved.
    */
   DartType staticTypeForExpression(Expression node);
 
   /**
    * Return the type being named by [node], or `null` if the AST structure has
    * not been resolved.
    */
-  DartType typeForTypeName(TypeAnnotation node);
+  DartType typeForTypeName(TypeName node);
 
   /**
    * Return the element associated with the uri of the directive [node], or
    * `null` if the AST structure has not been resolved or if the URI could not
    * be resolved. Examples of the latter case include a directive that contains
    * an invalid URL or a URL that does not exist.
    */
   Element uriElementForDirective(UriBasedDirective node);
 }