Prepare for decoupling analyzer ASTs from element model.

pkg/analysis_server/test/services/correction/fix_test.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 test.services.correction.fix;
 
 import 'dart:async';
 
 import 'package:analysis_server/plugin/edit/fix/fix_core.dart';
 import 'package:analysis_server/plugin/edit/fix/fix_dart.dart';
 import 'package:analysis_server/plugin/protocol/protocol.dart'
     hide AnalysisError;
 import 'package:analysis_server/src/services/correction/fix.dart';
 import 'package:analysis_server/src/services/correction/fix_internal.dart';
+import 'package:analyzer/dart/ast/standard_resolution_map.dart';
 import 'package:analyzer/error/error.dart';
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/source/package_map_resolver.dart';
 import 'package:analyzer/src/error/codes.dart';
 import 'package:analyzer/src/generated/parser.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../../abstract_context.dart';
@@ skipping 5271 matching lines @@
     change = fix.change;
     // apply to "file"
     List<SourceFileEdit> fileEdits = change.edits;
     expect(fileEdits, hasLength(1));
     resultCode = SourceEdit.applySequence(testCode, change.edits[0].edits);
   }
 
   void findLint(String src, String lintCode, {int length: 1}) {
     int errorOffset = src.indexOf('/*LINT*/');
     resolveTestUnit(src.replaceAll('/*LINT*/', ''));
-    error = new AnalysisError(testUnit.element.source, errorOffset, length,
+    error = new AnalysisError(
+        resolutionMap.elementForCompilationUnit(testUnit).source,
+        errorOffset,
+        length,
         new LintCode(lintCode, '<ignored>'));
   }
 
   test_lint_addMissingOverride_field() async {
     String src = '''
 class abstract Test {
   int get t;
 }
 class Sub extends Test {
   int /*LINT*/t = 42;
@@ skipping 186 matching lines @@
   var v = 42;
   print('v: $v');
 }
 ''');
   }
 
   void verifyResult(String expectedResult) {
     expect(resultCode, expectedResult);
   }
 }