Update Element/navigation/outline to use Location.

pkg/analysis_server/test/domain_analysis_test.dart

Index: pkg/analysis_server/test/domain_analysis_test.dart
diff --git a/pkg/analysis_server/test/domain_analysis_test.dart b/pkg/analysis_server/test/domain_analysis_test.dart
index e27a5432a40ca67b0cdf4324e4e36a081c8cb0a3..045c27d623ecfd6766bc643d38b40abea38482e5 100644
--- a/pkg/analysis_server/test/domain_analysis_test.dart
+++ b/pkg/analysis_server/test/domain_analysis_test.dart
@@ -7,6 +7,7 @@ library test.domain.analysis;
 import 'dart:async';
 
 import 'package:analysis_server/src/analysis_server.dart';
+import 'package:analysis_server/src/computer/element.dart';
 import 'package:analysis_server/src/constants.dart';
 import 'package:analysis_server/src/domain_analysis.dart';
 import 'package:analysis_server/src/protocol.dart';
@@ -174,23 +175,6 @@ class AnalysisError {
 }
 
 
-class Location {
-  final String file;
-  final int offset;
-  final int length;
-  final int startLine;
-  final int startColumn;
-  Location(this.file, this.offset, this.length, this.startLine,
-      this.startColumn);
-
-  @override
-  String toString() {
-    return 'Location(file=$file; offset=$offset; length=$length; '
-        'startLine=$startLine; startColumn=$startColumn)';
-  }
-}
-
-
 AnalysisError jsonToAnalysisError(Map<String, Object> json) {
   Map<String, Object> jsonLocation = json[LOCATION];
   Location location = new Location(jsonLocation[FILE], _getSafeInt(jsonLocation,