Deprecate FileUriResolver and RelativeFileUriResolver in source_io.dart, replace the usages with Re…

pkg/analyzer/lib/analyzer.dart

Index: pkg/analyzer/lib/analyzer.dart
diff --git a/pkg/analyzer/lib/analyzer.dart b/pkg/analyzer/lib/analyzer.dart
index c4642e8e8044d70aa98d30f34dac482d424a9368..59fea172ff8d0fc6bc19603f5a4af23b608cd572 100644
--- a/pkg/analyzer/lib/analyzer.dart
+++ b/pkg/analyzer/lib/analyzer.dart
@@ -14,6 +14,8 @@ import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/parser.dart';
 import 'package:analyzer/src/generated/source_io.dart';
 import 'package:analyzer/src/string_source.dart';
+import 'package:analyzer/file_system/file_system.dart' hide File;
+import 'package:analyzer/file_system/physical_file_system.dart';
 import 'package:path/path.dart' as pathos;
 
 export 'package:analyzer/dart/ast/ast.dart';
@@ -50,7 +52,8 @@ CompilationUnit parseCompilationUnit(String contents,
 CompilationUnit parseDartFile(String path,
     {bool suppressErrors: false, bool parseFunctionBodies: true}) {
   String contents = new File(path).readAsStringSync();
-  var sourceFactory = new SourceFactory([new FileUriResolver()]);
+  var sourceFactory = new SourceFactory(
+      [new ResourceUriResolver(PhysicalResourceProvider.INSTANCE)]);
 
   var absolutePath = pathos.absolute(path);
   var source = sourceFactory.forUri(pathos.toUri(absolutePath).toString());