more progress implementing analysis server code completion

pkg/analysis_server/lib/src/computer/computer_highlights.dart

 // Copyright (c) 2014, 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 computer.highlights;
 
-import 'package:analysis_server/src/collections.dart';
-import 'package:analysis_server/src/constants.dart';
+import 'package:analysis_services/constants.dart';
+import 'package:analysis_services/json.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/scanner.dart';
 
 
 /**
  * A computer for [HighlightRegion]s in a Dart [CompilationUnit].
  */
 class DartUnitHighlightsComputer {
   final CompilationUnit _unit;
@@ skipping 607 matching lines @@
     DartType type = node.type;
     if (type != null) {
       if (type.isDynamic && node.name.name == "dynamic") {
         computer._addRegion_node(node, HighlightType.TYPE_NAME_DYNAMIC);
         return null;
       }
     }
     return super.visitTypeName(node);
   }
 }