Revert "Switch FE to use the libraries.json format."

pkg/front_end/test/fasta/uri_translator_test.dart

Index: pkg/front_end/test/fasta/uri_translator_test.dart
diff --git a/pkg/front_end/test/fasta/uri_translator_test.dart b/pkg/front_end/test/fasta/uri_translator_test.dart
index e15cde8cd2a9f33fbd48c5df69e1c7cbbcc3c383..27ca3c868e130790bc82921e854e6fc8b2d1680c 100644
--- a/pkg/front_end/test/fasta/uri_translator_test.dart
+++ b/pkg/front_end/test/fasta/uri_translator_test.dart
@@ -2,7 +2,6 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-import 'package:front_end/src/base/libraries_specification.dart';
 import 'package:front_end/src/fasta/uri_translator_impl.dart';
 import 'package:package_config/packages.dart';
 import 'package:test/test.dart';
@@ -16,16 +15,12 @@ main() {
 
 @reflectiveTest
 class UriTranslatorImplTest {
-  UriTranslatorImpl translator = new UriTranslatorImpl(
-      new TargetLibrariesSpecification('vm', {
-        'core': new LibraryInfo(
-            'core', Uri.parse('file:///sdk/core/core.dart'), const []),
-        'math': new LibraryInfo(
-            'core', Uri.parse('file:///sdk/math/math.dart'), const []),
-      }),
-      Packages.noPackages);
-
   void test_isPlatformImplementation() {
+    var translator = new UriTranslatorImpl({
+      'core': Uri.parse('file:///sdk/core/core.dart'),
+      'math': Uri.parse('file:///sdk/math/math.dart')
+    }, {}, Packages.noPackages);
+
     bool isPlatform(String uriStr) {
       var uri = Uri.parse(uriStr);
       return translator.isPlatformImplementation(uri);
@@ -38,6 +33,11 @@ class UriTranslatorImplTest {
   }
 
   void test_translate_dart() {
+    var translator = new UriTranslatorImpl({
+      'core': Uri.parse('file:///sdk/core/core.dart'),
+      'math': Uri.parse('file:///sdk/math/math.dart')
+    }, {}, Packages.noPackages);
+
     expect(translator.translate(Uri.parse('dart:core')),
         Uri.parse('file:///sdk/core/core.dart'));
     expect(translator.translate(Uri.parse('dart:core/string.dart')),