[kernel] Migrate package:kernel/text_serializer.dart

Change-Id: I0b084911fa4ba35593a70ba8c214e818dbf7c219
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/190440
Reviewed-by: Dmitry Stefantsov <[email protected]>
Commit-Queue: Johnni Winther <[email protected]>

Author: johnniwinther

pkg/front_end/test/fasta/text_serialization1_suite.dart

@@ -6,12 +6,8 @@
 
 library fasta.test.text_serialization_test;
 
-import 'dart:io' show Platform;
-
 import 'testing/suite.dart';
 
-const int shardCount = 4;
-
 Future<FastaContext> createContext(
     Chain suite, Map<String, String> environment) {
   environment[ENABLE_FULL_COMPILE] = "";
@@ -26,8 +22,5 @@ main(List<String> arguments) {
 internalMain(
     {List<String> arguments = const [], int shards = 1, int shard = 0}) {
   runMe(arguments, createContext,
-      configurationPath: "../../testing.json",
-      me: Platform.script.resolve('text_serialization_tester.dart'),
-      shards: shards,
-      shard: shard);
+      configurationPath: "../../testing.json", shards: shards, shard: shard);
 }

pkg/front_end/test/fasta/text_serialization2_suite.dart

@@ -23,7 +23,7 @@ import 'fasta/incremental_dartino_suite.dart' as incremental_dartino
 import 'fasta/messages_suite.dart' as messages show createContext;
 import 'fasta/outline_suite.dart' as outline show createContext;
 import 'fasta/strong_suite.dart' as strong show createContext;
-import 'fasta/text_serialization_tester.dart' as text_serialization
+import 'fasta/text_serialization_suite.dart' as text_serialization
     show createContext;
 import 'fasta/textual_outline_suite.dart' as textual_outline show createContext;
 import 'fasta/weak_suite.dart' as weak show createContext;
@@ -349,7 +349,7 @@ const List<Suite> suites = [
     "fasta/text_serialization",
     text_serialization.createContext,
     "../../testing.json",
-    path: "fasta/text_serialization_tester.dart",
+    path: "fasta/text_serialization_suite.dart",
     shardCount: 10,
   ),
   const Suite(

pkg/front_end/test/fasta/text_serialization3_suite.dart

@@ -113,7 +113,7 @@
     {
       "name": "text_serialization",
       "kind": "Chain",
-      "source": "test/fasta/text_serialization_tester.dart",
+      "source": "test/fasta/text_serialization_suite.dart",
       "path": "testcases/",
       "status": "testcases/text_serialization.status",
       "pattern": [

pkg/front_end/test/fasta/text_serialization4_suite.dart

@@ -4677,7 +4677,7 @@ class SuperPropertySet extends Expression {
 
   Reference? interfaceTargetReference;
 
-  SuperPropertySet(Name name, Expression value, Member interfaceTarget)
+  SuperPropertySet(Name name, Expression value, Member? interfaceTarget)
       : this.byReference(
             name, value, getMemberReferenceSetter(interfaceTarget));