hookup new CompletionContributorFactory

pkg/analysis_server/lib/src/domain_completion.dart

Index: pkg/analysis_server/lib/src/domain_completion.dart
diff --git a/pkg/analysis_server/lib/src/domain_completion.dart b/pkg/analysis_server/lib/src/domain_completion.dart
index 0a5f7511817a1d1a63247bff4f7dcb67d29436f7..370e7bfad1d573ab8c3b5e32957132c8a1d795aa 100644
--- a/pkg/analysis_server/lib/src/domain_completion.dart
+++ b/pkg/analysis_server/lib/src/domain_completion.dart
@@ -101,7 +101,7 @@ class CompletionDomainHandler implements RequestHandler {
       }
       _discardManager();
     }
-    _manager = createCompletionManager(context, source, searchEngine);
+    _manager = createCompletionManager(server, context, source);
     if (context != null) {
       _sourcesChangedSubscription =
           context.onSourcesChanged.listen(sourcesChanged);
@@ -123,8 +123,9 @@ class CompletionDomainHandler implements RequestHandler {
   }
 
   CompletionManager createCompletionManager(
-      AnalysisContext context, Source source, SearchEngine searchEngine) {
-    return new CompletionManager.create(context, source, searchEngine);
+      AnalysisServer server, AnalysisContext context, Source source) {
+    return new CompletionManager.create(context, source, server.searchEngine,
+        server.serverPlugin.completionContributors);
   }
 
   @override