Remove AstFactory.field()

pkg/front_end/lib/src/fasta/builder/ast_factory.dart

 // Copyright (c) 2017, 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:front_end/src/fasta/scanner.dart' show Token;
 import 'package:front_end/src/fasta/type_inference/type_promotion.dart';
 import 'package:kernel/ast.dart';
 
 /// An abstract class containing factory methods that create AST objects.
 ///
@@ skipping 23 matching lines @@
 /// TODO(paulberry): in order to interface with analyzer, we'll need to
 /// shadow-ify [DartType], since analyzer ASTs need to be able to record the
 /// exact tokens that were used to specify a type.
 abstract class AstFactory<V> {
   /// Creates a statement block.
   Block block(List<Statement> statements, Token beginToken);
 
   /// Creates an expression statement.
   ExpressionStatement expressionStatement(Expression expression);
 
-  /// Creates a field.
-  Field field(Name name, int charOffset, {String fileUri});
-
   /// Creates a function expression.
   FunctionExpression functionExpression(FunctionNode function, Token token);
 
   /// Creates an `if` statement.
   Statement ifStatement(
       Expression condition, Statement thenPart, Statement elsePart);
 
   /// Creates an integer literal.
   IntLiteral intLiteral(value, Token token);
 
@@ skipping 31 matching lines @@
       {DartType type,
       Expression initializer,
       Token equalsToken,
       bool isFinal: false,
       bool isConst: false});
 
   /// Creates a read of a local variable.
   variableGet(VariableDeclaration variable, TypePromotionFact<V> fact,
       TypePromotionScope scope, Token token);
 }