Issue 21373. Fix for removing line info in case of exception (causes NPE in outline computer).

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 31 matching lines @@
 
 
 void sendAnalysisNotificationOccurrences(AnalysisServer server, String file,
     CompilationUnit dartUnit) {
   server.sendNotification(new protocol.AnalysisOccurrencesParams(file,
       new DartUnitOccurrencesComputer(dartUnit).compute()).toNotification());
 }
 
 
 void sendAnalysisNotificationOutline(AnalysisServer server,
-    AnalysisContext context, Source source, CompilationUnit dartUnit) {
+        Source source, LineInfo lineInfo, CompilationUnit dartUnit) {
   server.sendNotification(new protocol.AnalysisOutlineParams(source.fullName,
-      new DartUnitOutlineComputer(context, source,
+      new DartUnitOutlineComputer(source, lineInfo,
           dartUnit).compute()).toNotification());
 }
 
 
 void sendAnalysisNotificationOverrides(AnalysisServer server, String file,
     CompilationUnit dartUnit) {
   server.sendNotification(new protocol.AnalysisOverridesParams(file,
       new DartUnitOverridesComputer(dartUnit).compute()).toNotification());
 }
 
@@ skipping 55 matching lines @@
         if (server.hasAnalysisSubscription(protocol.AnalysisService.HIGHLIGHTS, file)) {
           sendAnalysisNotificationHighlights(server, file, dartUnit);
         }
         if (server.hasAnalysisSubscription(protocol.AnalysisService.NAVIGATION, file)) {
           sendAnalysisNotificationNavigation(server, file, dartUnit);
         }
         if (server.hasAnalysisSubscription(protocol.AnalysisService.OCCURRENCES, file)) {
           sendAnalysisNotificationOccurrences(server, file, dartUnit);
         }
         if (server.hasAnalysisSubscription(protocol.AnalysisService.OUTLINE, file)) {
-          sendAnalysisNotificationOutline(server, context, source, dartUnit);
+          LineInfo lineInfo = notice.lineInfo;
+          sendAnalysisNotificationOutline(server, source, lineInfo, dartUnit);
         }
         if (server.hasAnalysisSubscription(protocol.AnalysisService.OVERRIDES, file)) {
           sendAnalysisNotificationOverrides(server, file, dartUnit);
         }
       }
       if (server.shouldSendErrorsNotificationFor(file)) {
         sendAnalysisNotificationErrors(
             server,
             file,
             notice.lineInfo,
@@ skipping 18 matching lines @@
       // HTML
       {
         HtmlUnit htmlUnit = notice.htmlUnit;
         if (htmlUnit != null) {
           index.indexHtmlUnit(context, htmlUnit);
         }
       }
     }
   }
 }