Read SDK and patches from a JSON file.

pkg/front_end/test/fasta/testing/suite.dart

Index: pkg/front_end/test/fasta/testing/suite.dart
diff --git a/pkg/front_end/test/fasta/testing/suite.dart b/pkg/front_end/test/fasta/testing/suite.dart
index 0230a6ece934469634258566b43ac93358be8cb7..70764cd81b9ffc83902ca996f7bb081c2c47300c 100644
--- a/pkg/front_end/test/fasta/testing/suite.dart
+++ b/pkg/front_end/test/fasta/testing/suite.dart
@@ -10,11 +10,13 @@ import 'dart:io' show File;
 
 import 'dart:convert' show JSON;
 
-import 'package:front_end/physical_file_system.dart';
+import 'package:front_end/physical_file_system.dart' show PhysicalFileSystem;
+
 import 'package:front_end/src/fasta/testing/validating_instrumentation.dart'
     show ValidatingInstrumentation;
 
-import 'package:front_end/src/fasta/testing/patched_sdk_location.dart';
+import 'package:front_end/src/fasta/testing/patched_sdk_location.dart'
+    show computeDartVm, computePatchedSdk;
 
 import 'package:kernel/ast.dart' show Program;
 
@@ -141,8 +143,8 @@ class FastaContext extends ChainContext {
     Uri sdk = await computePatchedSdk();
     Uri vm = computeDartVm(sdk);
     Uri packages = Uri.base.resolve(".packages");
-    TranslateUri uriTranslator =
-        await TranslateUri.parse(PhysicalFileSystem.instance, packages);
+    TranslateUri uriTranslator = await TranslateUri
+        .parse(PhysicalFileSystem.instance, sdk, packages: packages);
     bool strongMode = environment.containsKey(STRONG_MODE);
     bool updateExpectations = environment["updateExpectations"] == "true";
     bool updateComments = environment["updateComments"] == "true";