Cleanup InferableOverride

lib/src/info.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.
 
 /// Defines static information collected by the type checker and used later by
 /// emitters to generate code.
 library dev_compiler.src.info;
 
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
@@ skipping 509 matching lines @@
 // Invalid override due to incompatible type.  I.e., the overridden signature
 // is not compatible with the original.
 class InvalidMethodOverride extends InvalidOverride {
   InvalidMethodOverride(AstNode node, ExecutableElement element,
       InterfaceType base, FunctionType subType, FunctionType baseType)
       : super(node, element, base, subType, baseType);
 
   String get message => _messageHelper('Invalid override');
 }
 
-// TODO(sigmund): delete, if we fix this, this should be part of the type
-// inference, not something we detect in the checker.
-// TODO(sigmund): split and track field, getter, setter, method separately
-class InferableOverride extends InvalidOverride {
-  InferableOverride(AstNode node, ExecutableElement element, InterfaceType base,
-      DartType subType, DartType baseType)
-      : super(node, element, base, subType, baseType);
-
-  toErrorCode() => new CompileTimeErrorCode(name, message);
-  String get message => _messageHelper('Invalid but inferable override');
-}
-
 /// Used to mark unexpected situations in our compiler were we couldn't compute
 /// the type of an expression.
 // TODO(sigmund): This is normally a result of another error that is caught by
 // the analyzer, so this should likely be removed in the future.
 class MissingTypeError extends StaticInfo {
   final AstNode node;
   toErrorCode() => new StaticTypeWarningCode(name, message);
 
   MissingTypeError(this.node);
 
@@ skipping 29 matching lines @@
 /// Better to have `super` at the end, as required by the Dart style guide:
 /// <http://goo.gl/q1T4BB>
 ///
 /// For now this is the only pattern we support.
 class InvalidSuperInvocation extends StaticError {
   InvalidSuperInvocation(SuperConstructorInvocation node) : super(node);
 
   @override String get message => "super call must be last in an initializer "
       "list (see http://goo.gl/q1T4BB): {0}";
 }