Perform MixinFullResolution only for source libraries.

pkg/kernel/bin/transform.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 'package:args/args.dart';
 import 'package:kernel/kernel.dart';
+import 'package:kernel/target/targets.dart';
 import 'package:kernel/transformations/closure_conversion.dart' as closures;
 import 'package:kernel/transformations/continuation.dart' as cont;
 import 'package:kernel/transformations/empty.dart' as empty;
 import 'package:kernel/transformations/method_call.dart' as method_call;
 import 'package:kernel/transformations/mixin_full_resolution.dart' as mix;
 import 'package:kernel/transformations/treeshaker.dart' as treeshaker;
 import 'package:kernel/verifier.dart';
 
 import 'batch_util.dart';
 import 'util.dart';
@@ skipping 51 matching lines @@
       options['embedder-entry-points-manifest'] as List<String>;
   List<treeshaker.ProgramRoot> programRoots =
       parseProgramRoots(embedderEntryPointManifests);
 
   var program = loadProgramFromBinary(input);
   switch (options['transformation']) {
     case 'continuation':
       program = cont.transformProgram(program);
       break;
     case 'resolve-mixins':
-      program = mix.transformProgram(program);
+      mix.transformLibraries(new NoneTarget(null), program.libraries);
       break;
     case 'closures':
       program = closures.transformProgram(program);
       break;
     case 'treeshake':
       program =
           treeshaker.transformProgram(program, programRoots: programRoots);
       break;
     case 'methodcall':
       program = method_call.transformProgram(program);
@@ skipping 13 matching lines @@
     assert(format == 'bin');
     await writeProgramToBinary(program, output);
   }
 
   if (verbose) {
     writeLibraryToText(program.mainMethod.parent as Library);
   }
 
   return CompilerOutcome.Ok;
 }