Use entities in js_emitter/model.dart

pkg/compiler/lib/src/dump_info.dart

 // Copyright (c) 2013, 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 dump_info;
 
 import 'dart:convert'
     show ChunkedConversionSink, JsonEncoder, StringConversionSink;
 
 import 'package:dart2js_info/info.dart';
@@ skipping 373 matching lines @@
   ElementInfoCollector infoCollector;
 
   /// The size of the generated output.
   int _programSize;
 
   // A set of javascript AST nodes that we care about the size of.
   // This set is automatically populated when registerElementAst()
   // is called.
   final Set<jsAst.Node> _tracking = new Set<jsAst.Node>();
   // A mapping from Dart Elements to Javascript AST Nodes.
-  final Map<Element, List<jsAst.Node>> _elementToNodes =
-      <Element, List<jsAst.Node>>{};
+  final Map<Entity, List<jsAst.Node>> _elementToNodes =
+      <Entity, List<jsAst.Node>>{};
   final Map<ConstantValue, jsAst.Node> _constantToNode =
       <ConstantValue, jsAst.Node>{};
   // A mapping from Javascript AST Nodes to the size of their
   // pretty-printed contents.
   final Map<jsAst.Node, int> _nodeToSize = <jsAst.Node, int>{};
 
   final Map<Element, int> inlineCount = <Element, int>{};
   // A mapping from an element to a list of elements that are
   // inlined inside of it.
   final Map<Element, List<Element>> inlineMap = <Element, List<Element>>{};
@@ skipping 60 matching lines @@
   bool isTracking(jsAst.Node code) {
     if (compiler.options.dumpInfo) {
       return _tracking.contains(code);
     } else {
       return false;
     }
   }
 
   // Registers that a javascript AST node `code` was produced by the
   // dart Element `element`.
-  void registerElementAst(Element element, jsAst.Node code) {
+  void registerElementAst(Entity element, jsAst.Node code) {
     if (compiler.options.dumpInfo) {
       _elementToNodes
           .putIfAbsent(element, () => new List<jsAst.Node>())
           .add(code);
       _tracking.add(code);
     }
   }
 
   void registerConstantAst(ConstantValue constant, jsAst.Node code) {
     if (compiler.options.dumpInfo) {
@@ skipping 113 matching lines @@
 
     ChunkedConversionSink<Object> sink = encoder.startChunkedConversion(
         new StringConversionSink.fromStringSink(buffer));
     sink.add(new AllInfoJsonCodec().encode(result));
     compiler.reporter.reportInfo(NO_LOCATION_SPANNABLE, MessageKind.GENERIC, {
       'text': "View the dumped .info.json file at "
           "https://dart-lang.github.io/dump-info-visualizer"
     });
   }
 }