Allow sending duplicate notifications.

pkg/analysis_server/lib/src/operation/operation_analysis.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 operation.analysis;
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/computer/computer_highlights.dart';
 import 'package:analysis_server/src/computer/computer_navigation.dart';
 import 'package:analysis_server/src/computer/computer_occurrences.dart';
@@ skipping 16 matching lines @@
   server.addOperation(new _DartIndexOperation(context, file, dartUnit));
 }
 
 /**
  * Schedules sending notifications for the given [file] using the resolved
  * [resolvedDartUnit].
  */
 void scheduleNotificationOperations(AnalysisServer server, String file,
     LineInfo lineInfo, AnalysisContext context, CompilationUnit parsedDartUnit,
     CompilationUnit resolvedDartUnit, List<AnalysisError> errors) {
-  // Only send notifications if the current context is the preferred
-  // context for the file.  This avoids redundant notification messages
-  // being sent to the client (see dartbug.com/22210).
-  // TODO(paulberry): note that there is a small risk that this will cause
-  // notifications to be lost if the preferred context for a file changes
-  // while analysis is in progress (e.g. because the client sent an
-  // analysis.setAnalysisRoots message).
-  if (server.getAnalysisContext(file) != context) {
-    return;
-  }
   // Dart
   CompilationUnit dartUnit =
       resolvedDartUnit != null ? resolvedDartUnit : parsedDartUnit;
   if (resolvedDartUnit != null) {
     if (server.hasAnalysisSubscription(
         protocol.AnalysisService.HIGHLIGHTS, file)) {
       server.scheduleOperation(
           new _DartHighlightsOperation(context, file, resolvedDartUnit));
     }
     if (server.hasAnalysisSubscription(
@@ skipping 346 matching lines @@
 abstract class _SingleFileOperation extends SourceSensitiveOperation {
   final String file;
 
   _SingleFileOperation(AnalysisContext context, this.file) : super(context);
 
   @override
   bool shouldBeDiscardedOnSourceChange(Source source) {
     return source.fullName == file;
   }
 }