More fixes for testing under windows

pkg/analyzer/test/generated/resolver_test_case.dart

 // Copyright (c) 2016, 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 analyzer.test.generated.resolver_test_case;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/visitor.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/error/error.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
-import 'package:analyzer/file_system/physical_file_system.dart';
 import 'package:analyzer/src/dart/element/element.dart';
 import 'package:analyzer/src/dart/element/type.dart';
 import 'package:analyzer/src/error/codes.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/java_engine.dart';
 import 'package:analyzer/src/generated/resolver.dart';
 import 'package:analyzer/src/generated/source_io.dart';
 import 'package:analyzer/src/generated/testing/ast_factory.dart';
 import 'package:analyzer/src/generated/testing/element_factory.dart';
 import 'package:unittest/unittest.dart';
@@ skipping 450 matching lines @@
       expect(identifier.staticType, expectedStaticType);
     }
     expect(identifier.propagatedType, expectedPropagatedType);
   }
 
   /**
    * Cache the [contents] for the file at the given [filePath] but don't add the
    * source to the analysis context. The file path must be absolute.
    */
   Source cacheSource(String filePath, String contents) {
-    Source source =
-        PhysicalResourceProvider.INSTANCE.getFile(filePath).createSource();
+    Source source = resourceProvider.getFile(filePath).createSource();
     analysisContext2.setContents(source, contents);
     return source;
   }
 
   /**
    * Change the contents of the given [source] to the given [contents].
    */
   void changeSource(Source source, String contents) {
     analysisContext2.setContents(source, contents);
     ChangeSet changeSet = new ChangeSet();
@@ skipping 17 matching lines @@
    * @return the library element that was created
    */
   LibraryElementImpl createDefaultTestLibrary() =>
       createTestLibrary(AnalysisContextFactory.contextWithCore(), "test");
 
   /**
    * Create a source object representing a file with the given [fileName] and
    * give it an empty content. Return the source that was created.
    */
   Source createNamedSource(String fileName) {
-    Source source =
-        PhysicalResourceProvider.INSTANCE.getFile(fileName).createSource();
+    Source source = resourceProvider.getFile(fileName).createSource();
     analysisContext2.setContents(source, '');
     return source;
   }
 
   /**
    * Create a library element that represents a library with the given name containing a single
    * empty compilation unit.
    *
    * @param libraryName the name of the library to be created
    * @return the library element that was created
@@ skipping 303 matching lines @@
    * text. Otherwise, [expected] is used directly a [Matcher] to match the type.
    */
   _expectType(DartType type, expected) {
     if (expected is String) {
       expect(type.toString(), expected);
     } else {
       expect(type, expected);
     }
   }
 }