Read SDK and patches from a JSON file.

pkg/kernel/test/closures/suite.dart

 // Copyright (c) 2017, 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.md file.
 
 library test.kernel.closures.suite;
 
 import 'dart:async' show Future;
 
-import 'package:front_end/physical_file_system.dart';
+import 'package:front_end/physical_file_system.dart' show PhysicalFileSystem;
+
 import 'package:testing/testing.dart'
     show Chain, ChainContext, Result, Step, TestDescription, runMe;
 
+import 'package:front_end/src/fasta/testing/patched_sdk_location.dart'
+    show computePatchedSdk;
+
 import 'package:kernel/ast.dart' show Program;
 
 import 'package:kernel/transformations/closure_conversion.dart'
     as closure_conversion;
 
 import 'package:front_end/src/fasta/testing/kernel_chain.dart'
     show Print, MatchExpectation, WriteDill, ReadDill, Verify;
 
 import 'package:front_end/src/fasta/ticker.dart' show Ticker;
 
@@ skipping 35 matching lines @@
           // TODO(29143): add `Run` step when Vectors are added to VM.
         ];
 
   Future<Program> loadPlatform() async {
     Uri sdk = await computePatchedSdk();
     return loadProgramFromBinary(sdk.resolve('platform.dill').toFilePath());
   }
 
   static Future<ClosureConversionContext> create(
       Chain suite, Map<String, String> environment) async {
+    Uri sdk = await computePatchedSdk();
     Uri packages = Uri.base.resolve(".packages");
     bool strongMode = environment.containsKey(STRONG_MODE);
     bool updateExpectations = environment["updateExpectations"] == "true";
-    TranslateUri uriTranslator =
-        await TranslateUri.parse(PhysicalFileSystem.instance, packages);
+    TranslateUri uriTranslator = await TranslateUri
+        .parse(PhysicalFileSystem.instance, sdk, packages: packages);
     return new ClosureConversionContext(
         strongMode, updateExpectations, uriTranslator);
   }
 }
 
 Future<ClosureConversionContext> createContext(
     Chain suite, Map<String, String> environment) async {
   environment["updateExpectations"] =
       const String.fromEnvironment("updateExpectations");
   return ClosureConversionContext.create(suite, environment);
@@ skipping 39 matching lines @@
     try {
       program = closure_conversion.transformProgram(program);
       return pass(program);
     } catch (e, s) {
       return crash(e, s);
     }
   }
 }
 
 main(List<String> arguments) => runMe(arguments, createContext, "testing.json");