Use backend targets to run Kernel transformations in Fasta

pkg/kernel/tool/dartk.dart

 #!/usr/bin/env 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.
 
 import 'dart:async';
 import 'dart:io';
 
 import '../bin/batch_util.dart';
 import '../bin/util.dart';
@@ skipping 389 matching lines @@
     runVerifier();
   }
 
   if (options['link'] && program.mainMethodName == null) {
     fail('[error] The program has no main method.');
   }
 
   // Apply target-specific transformations.
   if (target != null && canContinueCompilation) {
     CoreTypes coreTypes = new CoreTypes(program);
-    target.performModularTransformations(coreTypes, program);
+    target.performModularTransformationsOnProgram(coreTypes, program);
     runVerifier();
     if (options['link']) {
       target.performGlobalTransformations(coreTypes, program);
       runVerifier();
     }
   }
 
   if (options['no-output']) {
     return CompilerOutcome.Ok;
   }
@@ skipping 26 matching lines @@
     int flushTime = watch.elapsedMilliseconds - time;
     print('writer.flush_time = $flushTime ms');
   }
 
   if (options['tolerant']) {
     return CompilerOutcome.Ok;
   }
 
   return errors.length > 0 ? CompilerOutcome.Fail : CompilerOutcome.Ok;
 }