[Fasta] include source code in dill

pkg/front_end/lib/src/fasta/kernel/kernel_target.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.kernel_target;
 
 import 'dart:async' show Future;
 
 import 'dart:io' show File, IOSink;
 
@@ skipping 88 matching lines @@
       [Map<String, Source> uriToSource])
       : dillTarget = dillTarget,
         uriToSource = uriToSource ?? CompilerContext.current.uriToSource,
         super(dillTarget.ticker, uriTranslator) {
     resetCrashReporting();
     loader = createLoader();
   }
 
   SourceLoader<Library> createLoader() => new SourceLoader<Library>(this);
 
-  void addLineStarts(Uri uri, List<int> lineStarts) {
+  void addSourceInformation(
+      Uri uri, List<int> lineStarts, List<int> sourceCode) {
     String fileUri = relativizeUri(uri);
-    uriToSource[fileUri] = new Source(lineStarts, fileUri);
+    uriToSource[fileUri] = new Source(lineStarts, sourceCode);
   }
 
   void read(Uri uri) {
     loader.read(uri);
   }
 
   LibraryBuilder createLibraryBuilder(Uri uri, Uri fileUri) {
     if (dillTarget.isLoaded) {
       var builder = dillTarget.loader.builders[uri];
       if (builder != null) {
@@ skipping 188 matching lines @@
 
     final Program binary = dillTarget.loader.program;
     if (binary != null) {
       libraries.addAll(binary.libraries);
       uriToSource.addAll(binary.uriToSource);
     }
 
     // TODO(ahe): Remove this line. Kernel seems to generate a default line map
     // that used when there's no fileUri on an element. Instead, ensure all
     // elements have a fileUri.
-    uriToSource[""] = new Source(<int>[0], "");
+    uriToSource[""] = new Source(<int>[0], const <int>[]);
     Program program = new Program(libraries, uriToSource);
     if (loader.first != null) {
       Builder builder = loader.first.members["main"];
       if (builder is KernelProcedureBuilder) {
         program.mainMethod = builder.procedure;
       }
     }
     if (errors.isEmpty || dillTarget.isLoaded) {
       setup_builtin_library.transformProgram(program);
     }
@@ skipping 273 matching lines @@
   }
   for (Constructor constructor in superclass.constructors) {
     if (constructor.name.name.isEmpty) {
       return constructor.function.requiredParameterCount == 0
           ? constructor
           : null;
     }
   }
   return null;
 }