Update fasta tests to use the new transformation API

pkg/front_end/lib/src/fasta/compile_platform.dart

 // Copyright (c) 2016, 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 file.
 
 library fasta.compile_platform;
 
 import 'dart:async' show
     Future;
 
 import 'dart:io' show
@@ skipping 84 matching lines @@
       Uri.base.resolve("pkg/fasta/test/platform.dart"), target: target);
   if (loader.errors.isNotEmpty) {
     inputError(null, null, loader.errors.join("\n"));
   }
   Library mainLibrary = program.mainMethod.enclosingLibrary;
   program.uriToSource.remove(mainLibrary.fileUri);
   program = new Program(
       program.libraries.where(
           (Library l) => l.importUri.scheme == "dart").toList(),
       program.uriToSource);
-  target.transformProgram(program);
+  target.performModularTransformations(program);
+  target.performGlobalTransformations(program);
   for (LibraryElement analyzerLibrary in loader.libraryElements) {
     Library library = loader.getLibraryReference(analyzerLibrary);
     StringBuffer sb = new StringBuffer();
     if (analyzerLibrary.exports.isNotEmpty) {
       Source source;
       int offset;
       for (ExportElement export in analyzerLibrary.exports) {
         source ??= export.source;
         offset ??= export.nameOffset;
         Uri uri = export.exportedLibrary.source.uri;
@@ skipping 12 matching lines @@
       library.addMember(new Field(exports, isStatic: true, isConst: true,
               initializer: literal, fileUri: "${new Uri.file(source.fullName)}")
           ..fileOffset = offset);
     }
   }
 
   IOSink sink = new File.fromUri(output).openWrite();
   new BinaryPrinter(sink).writeProgramFile(program);
   await sink.close();
 }