Run the sorter to reduce code churn

pkg/analyzer/lib/src/task/strong/checker.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.
 
 // TODO(jmesserly): this was ported from package:dev_compiler, and needs to be
 // refactored to fit into analyzer.
 library analyzer.src.task.strong.checker;
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/dart/ast/ast.dart';
@@ skipping 1570 matching lines @@
   }
 
   /// If node is a [ClassDeclaration] returns its members, otherwise if node is
   /// a [ClassTypeAlias] this returns an empty list.
   Iterable<ClassMember> _classMembers(Declaration node) {
     return node is ClassDeclaration ? node.members : [];
   }
 
   /// If node is a [ClassDeclaration] returns its members, otherwise if node is
   /// a [ClassTypeAlias] this returns an empty list.
+  AstNode _extendsErrorLocation(Declaration node) {
+    return node is ClassDeclaration
+        ? node.extendsClause
+        : (node as ClassTypeAlias).superclass;
+  }
+
+  /// If node is a [ClassDeclaration] returns its members, otherwise if node is
+  /// a [ClassTypeAlias] this returns an empty list.
   WithClause _withClause(Declaration node) {
     return node is ClassDeclaration
         ? node.withClause
         : (node as ClassTypeAlias).withClause;
   }
-
-  /// If node is a [ClassDeclaration] returns its members, otherwise if node is
-  /// a [ClassTypeAlias] this returns an empty list.
-  AstNode _extendsErrorLocation(Declaration node) {
-    return node is ClassDeclaration
-        ? node.extendsClause
-        : (node as ClassTypeAlias).superclass;
-  }
 }