Implement canonical name scheme in kernel.

pkg/kernel/test/closures/kernel_chain.dart

Index: pkg/kernel/test/closures/kernel_chain.dart
diff --git a/pkg/kernel/test/closures/kernel_chain.dart b/pkg/kernel/test/closures/kernel_chain.dart
index b3088cb04783615de86d203634440a8d53c57519..1bfcc645f395df3d79fbe3805ce2e2db222b3ef8 100644
--- a/pkg/kernel/test/closures/kernel_chain.dart
+++ b/pkg/kernel/test/closures/kernel_chain.dart
@@ -10,7 +10,7 @@ import 'dart:io' show Directory, File, IOSink;
 
 import 'dart:typed_data' show Uint8List;
 
-import 'package:kernel/kernel.dart' show Repository, loadProgramFromBinary;
+import 'package:kernel/kernel.dart' show loadProgramFromBinary;
 
 import 'package:kernel/text/ast_to_text.dart' show Printer;
 
@@ -25,8 +25,6 @@ import 'package:kernel/binary/ast_to_binary.dart' show BinaryPrinter;
 
 import 'package:kernel/binary/ast_from_binary.dart' show BinaryBuilder;
 
-import 'package:kernel/binary/loader.dart' show BinaryLoader;
-
 Future<bool> fileExists(Uri base, String path) async {
   return await new File.fromUri(base.resolve(path)).exists();
 }
@@ -153,8 +151,9 @@ class Copy extends Step<Program, Program, ChainContext> {
     BytesCollector sink = new BytesCollector();
     new BinaryPrinter(sink).writeProgramFile(program);
     Uint8List bytes = sink.collect();
-    BinaryLoader loader = new BinaryLoader(new Repository());
-    return pass(new BinaryBuilder(loader, bytes).readProgramFile());
+    var newProgram = new Program();
+    new BinaryBuilder(bytes).readMultiFile(newProgram);
+    return pass(newProgram);
   }
 }