Move Location factories and RefactoringProblemSeverity.max into the generated classes.

pkg/analysis_server/lib/src/services/refactoring/extract_local.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 services.src.refactoring.extract_local;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/protocol2.dart' show Location, SourceEdit;
 import 'package:analysis_server/src/services/correction/change.dart';
@@ skipping 365 matching lines @@
     _invalidSelection(message, null);
   }
 
   @override
   Object visitAssignmentExpression(AssignmentExpression node) {
     super.visitAssignmentExpression(node);
     Expression lhs = node.leftHandSide;
     if (_isFirstSelectedNode(lhs)) {
       _invalidSelection(
           'Cannot extract the left-hand side of an assignment.',
-          createLocation_forNode(lhs));
+          new Location.forNode(lhs));
     }
     return null;
   }
 
   @override
   Object visitSimpleIdentifier(SimpleIdentifier node) {
     super.visitSimpleIdentifier(node);
     if (_isFirstSelectedNode(node)) {
       // name of declaration
       if (node.inDeclarationContext()) {
@@ skipping 132 matching lines @@
       Token startToken = nodeTokens[startTokenIndex];
       Token endToken = nodeTokens[endTokenIndex];
       // add occurrence range
       int occuStart = nodeOffset + startToken.offset;
       int occuEnd = nodeOffset + endToken.end;
       SourceRange occuRange = rangeStartEnd(occuStart, occuEnd);
       _addOccurrence(occuRange);
     }
   }
 }