Quick-fix for `annotate_overrides` lint (#25416).

pkg/analysis_server/lib/src/services/correction/fix.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 analysis_server.src.services.correction.fix;
 
 import 'dart:async';
 
 import 'package:analysis_server/plugin/edit/fix/fix_core.dart';
 import 'package:analysis_server/src/plugin/server_plugin.dart';
@@ skipping 28 matching lines @@
           new CaughtException(exception, stackTrace));
     }
   }
   fixes.sort(Fix.SORT_BY_RELEVANCE);
   return fixes;
 }
 
 /**
  * Return true if this [errorCode] is likely to have a fix associated with it.
  */
-bool hasFix(ErrorCode errorCode) => errorCode ==
-        StaticWarningCode.UNDEFINED_CLASS_BOOLEAN ||
+bool hasFix(ErrorCode errorCode) =>

[Brian Wilkerson, 2016/02/26 22:43:34]

This method should be updated. It's how Atom knows to indicate that a fix is
available.

+    errorCode == StaticWarningCode.UNDEFINED_CLASS_BOOLEAN ||
     errorCode == StaticWarningCode.CONCRETE_CLASS_WITH_ABSTRACT_MEMBER ||
     errorCode == StaticWarningCode.EXTRA_POSITIONAL_ARGUMENTS ||
     errorCode == StaticWarningCode.NEW_WITH_UNDEFINED_CONSTRUCTOR ||
     errorCode ==
         StaticWarningCode.NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_ONE ||
     errorCode ==
         StaticWarningCode.NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_TWO ||
     errorCode ==
         StaticWarningCode.NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_THREE ||
     errorCode ==
         StaticWarningCode.NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_FOUR ||
     errorCode ==
-        StaticWarningCode.NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_FIVE_PLUS ||
+        StaticWarningCode
+            .NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_FIVE_PLUS ||
     errorCode == StaticWarningCode.CAST_TO_NON_TYPE ||
     errorCode == StaticWarningCode.TYPE_TEST_WITH_UNDEFINED_NAME ||
     errorCode == StaticWarningCode.UNDEFINED_CLASS ||
     errorCode == StaticWarningCode.FINAL_NOT_INITIALIZED ||
     errorCode == StaticWarningCode.FINAL_NOT_INITIALIZED_CONSTRUCTOR_1 ||
     errorCode == StaticWarningCode.FINAL_NOT_INITIALIZED_CONSTRUCTOR_2 ||
     errorCode == StaticWarningCode.FINAL_NOT_INITIALIZED_CONSTRUCTOR_3_PLUS ||
     errorCode == StaticWarningCode.UNDEFINED_IDENTIFIER ||
     errorCode ==
         CompileTimeErrorCode.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE ||
@@ skipping 84 matching lines @@
   static const IMPORT_LIBRARY_PREFIX = const FixKind('IMPORT_LIBRARY_PREFIX',
       51, "Use imported library '{0}' with prefix '{1}'");
   static const IMPORT_LIBRARY_PROJECT =
       const FixKind('IMPORT_LIBRARY_PROJECT', 49, "Import library '{0}'");
   static const IMPORT_LIBRARY_SDK =
       const FixKind('IMPORT_LIBRARY_SDK', 49, "Import library '{0}'");
   static const IMPORT_LIBRARY_SHOW =
       const FixKind('IMPORT_LIBRARY_SHOW', 49, "Update library '{0}' import");
   static const INSERT_SEMICOLON =
       const FixKind('INSERT_SEMICOLON', 50, "Insert ';'");
+  static const LINT_ADD_OVERRIDE =
+      const FixKind('LINT_ADD_OVERRIDE', 50, "Add '@override' annotation");
   static const MAKE_CLASS_ABSTRACT =
       const FixKind('MAKE_CLASS_ABSTRACT', 50, "Make class '{0}' abstract");
   static const REMOVE_DEAD_CODE =
       const FixKind('REMOVE_DEAD_CODE', 50, "Remove dead code");
   static const MAKE_FIELD_NOT_FINAL =
       const FixKind('MAKE_FIELD_NOT_FINAL', 50, "Make field '{0}' not final");
   static const REMOVE_PARAMETERS_IN_GETTER_DECLARATION = const FixKind(
       'REMOVE_PARAMETERS_IN_GETTER_DECLARATION',
       50,
       "Remove parameters in getter declaration");
@@ skipping 47 matching lines @@
   @override
   final AnalysisError error;
 
   FixContextImpl(this.resourceProvider, this.analysisContext, this.error);
 
   FixContextImpl.from(FixContext other)
       : resourceProvider = other.resourceProvider,
         analysisContext = other.analysisContext,
         error = other.error;
 }