Add SourceFileEdit.time field.

pkg/analysis_server/lib/src/protocol.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 protocol;
 
 import 'dart:collection';
 import 'dart:convert';
 
 import 'package:analysis_server/src/computer/element.dart' show
@@ skipping 50 matching lines @@
   int index = 0;
   while (index < edits.length && edits[index].offset > sourceEdit.offset) {
     index++;
   }
   edits.insert(index, sourceEdit);
 }
 
 /**
  * Adds [edit] to the [FileEdit] for the given [file].
  */
-void _addEditToSourceChange(SourceChange change, String file, SourceEdit edit) {
+void _addEditToSourceChange(SourceChange change, String file, int fileStamp,
+                            SourceEdit edit) {
   SourceFileEdit fileEdit = change.getFileEdit(file);
   if (fileEdit == null) {
-    fileEdit = new SourceFileEdit(file);
+    fileEdit = new SourceFileEdit(file, fileStamp);
     change.addFileEdit(fileEdit);
   }
   fileEdit.add(edit);
 }
 
 /**
  * Create an AnalysisError based on error information from the analyzer
  * engine.  Access via AnalysisError.fromEngine().
  */
 AnalysisError _analysisErrorFromEngine(engine.LineInfo lineInfo,
@@ skipping 925 matching lines @@
     hash = 0x1fffffff & (hash + ((0x03ffffff & hash) << 3));
     hash = hash ^ (hash >> 11);
     return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
   }
 
   static int hash2(a, b) => finish(combine(combine(0, a), b));
 
   static int hash4(a, b, c, d) =>
       finish(combine(combine(combine(combine(0, a), b), c), d));
 }