Remove use of Compiler in inferrer engines.

pkg/compiler/lib/src/io/source_map_builder.dart

 // Copyright (c) 2012, 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 dart2js.source_map_builder;
 
 import 'package:kernel/ast.dart' show Location;
-import '../../compiler_new.dart' show OutputSink, OutputType;
+import '../../compiler_new.dart' show CompilerOutput, OutputSink, OutputType;
 import '../util/uri_extras.dart' show relativize;
 import '../util/util.dart';
 import 'location_provider.dart';
 import 'code_output.dart' show SourceLocationsProvider, SourceLocations;
 import 'source_information.dart' show SourceLocation;
 
 class SourceMapBuilder {
   final String version;
 
   /// The URI of the source map file.
@@ skipping 168 matching lines @@
   /// [sourceLocationsProvider] for the .js code in [locationProvider]
   /// [sourceMapUri] is used to relativizes the URIs of the referenced source
   /// files and the target [fileUri]. [name] and [outputProvider] are used to
   /// create the [OutputSink] for the source map text.
   static void outputSourceMap(
       SourceLocationsProvider sourceLocationsProvider,
       LocationProvider locationProvider,
       String name,
       Uri sourceMapUri,
       Uri fileUri,
-      OutputSink outputProvider(
-          String name, String extension, OutputType type)) {
+      CompilerOutput compilerOutput) {
     // Create a source file for the compilation output. This allows using
     // [:getLine:] to transform offsets to line numbers in [SourceMapBuilder].
     int index = 0;
     sourceLocationsProvider.sourceLocations
         .forEach((SourceLocations sourceLocations) {
       SourceMapBuilder sourceMapBuilder = new SourceMapBuilder(
           sourceLocations.name, sourceMapUri, fileUri, locationProvider);
       sourceLocations.forEachSourceLocation(sourceMapBuilder.addMapping);
       String sourceMap = sourceMapBuilder.build();
       String extension = 'js.map';
       if (index > 0) {
         if (name == '') {
           name = fileUri != null ? fileUri.pathSegments.last : 'out.js';
           extension = 'map.${sourceLocations.name}';
         } else {
           extension = 'js.map.${sourceLocations.name}';
         }
       }
-      outputProvider(name, extension, OutputType.sourceMap)
+      compilerOutput.createOutputSink(name, extension, OutputType.sourceMap)
         ..add(sourceMap)
         ..close();
       index++;
     });
   }
 }
 
 /// Encoder for value deltas in VLQ format.
 class DeltaEncoder {
   /// The last emitted value of the encoder.
@@ skipping 130 matching lines @@
   int register(T element) {
     return map.putIfAbsent(element, () => map.length);
   }
 
   /// Returns the index of [element].
   int operator [](T element) => map[element];
 
   /// Returns the indexed elements.
   Iterable<T> get elements => map.keys;
 }