Deprecate DirectoryBasedDartSdk and transition existing uses to the new API

pkg/analyzer/benchmark/errors_in_all_libraries.dart

Index: pkg/analyzer/benchmark/errors_in_all_libraries.dart
diff --git a/pkg/analyzer/benchmark/errors_in_all_libraries.dart b/pkg/analyzer/benchmark/errors_in_all_libraries.dart
index 6f02534b7e2a82d7902a7438a1ea7ca842d9b10c..da419d9b82c988aa2cb6892681d36974cf9f55c6 100644
--- a/pkg/analyzer/benchmark/errors_in_all_libraries.dart
+++ b/pkg/analyzer/benchmark/errors_in_all_libraries.dart
@@ -10,21 +10,17 @@
 import 'dart:io';
 
 import 'package:analyzer/dart/element/element.dart';
+import 'package:analyzer/file_system/file_system.dart';
+import 'package:analyzer/file_system/physical_file_system.dart';
+import 'package:analyzer/src/dart/sdk/sdk.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/java_io.dart';
-import 'package:analyzer/src/generated/sdk_io.dart' show DirectoryBasedDartSdk;
+import 'package:analyzer/src/generated/sdk.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/source_io.dart';
-import 'package:analyzer/file_system/file_system.dart';
-import 'package:analyzer/file_system/physical_file_system.dart';
 import 'package:path/path.dart' as p;
 
 void main(List<String> args) {
-  JavaSystemIO.setProperty(
-      "com.google.dart.sdk",
-      p.normalize(
-          p.join(p.dirname(p.fromUri(Platform.script)), "../../../sdk")));
-
   // Assumes you have run "pub get" in the analyzer directory itself and uses
   // that "packages" directory as its package root.
   var packageRoot =
@@ -35,10 +31,14 @@ void main(List<String> args) {
     var start = new DateTime.now();
     AnalysisEngine.instance.clearCaches();
 
-    var context = AnalysisEngine.instance.createAnalysisContext();
+    PhysicalResourceProvider resourceProvider =
+        PhysicalResourceProvider.INSTANCE;
+    DartSdk sdk = new FolderBasedDartSdk(
+        resourceProvider, resourceProvider.getFolder(args[0]));
+    AnalysisContext context = AnalysisEngine.instance.createAnalysisContext();
     context.sourceFactory = new SourceFactory([
-      new DartUriResolver(DirectoryBasedDartSdk.defaultSdk),
-      new ResourceUriResolver(PhysicalResourceProvider.INSTANCE),
+      new DartUriResolver(sdk),
+      new ResourceUriResolver(resourceProvider),
       new PackageUriResolver([new JavaFile(packageRoot)])
     ]);
 
@@ -86,6 +86,7 @@ List<LibraryElement> _reachableLibraries(LibraryElement start) {
     lib.importedLibraries.forEach(find);
     lib.exportedLibraries.forEach(find);
   }
+
   find(start);
   return results;
 }