Update the plugin API

pkg/analyzer_plugin/lib/src/utilities/navigation/navigation.dart

 // Copyright (c) 2017, 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.
 
 import 'package:analyzer/dart/analysis/results.dart';
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/src/generated/source.dart' show SourceRange;
 import 'package:analyzer_plugin/protocol/protocol_common.dart';
 import 'package:analyzer_plugin/utilities/navigation/navigation.dart';
 import 'package:analyzer_plugin/utilities/pair.dart';
@@ skipping 67 matching lines @@
           location.startLine,
           location.startColumn);
       targets.add(target);
       targetMap[pair] = index;
     }
     return index;
   }
 }
 
 /**
- * A concrete implementation of [NavigationRequest].
+ * A concrete implementation of [DartNavigationRequest].
  */
-class NavigationRequestImpl implements NavigationRequest {
+class NavigationRequestImpl implements DartNavigationRequest {

[maxkim, 2017/06/22 20:52:56]

DartNavigationRequestImpl

[Brian Wilkerson, 2017/06/22 22:07:01]

Done

   @override
   final ResourceProvider resourceProvider;
 
   @override
   final int length;
 
   @override
   final int offset;
 
   @override
   final ResolveResult result;
 
   /**
    * Initialize a newly create request with the given data.
    */
   NavigationRequestImpl(
       this.resourceProvider, this.offset, this.length, this.result);
+
+  @override
+  String get path => result.path;
 }