Remove reference to as-yet-uncommitted file

pkg/analysis_server/lib/completion/completion_dart.dart

 // Copyright (c) 2015, 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 analysis_server.completion.completion_dart;
 
 import 'package:analysis_server/completion/completion_core.dart';
-import 'package:analysis_server/src/services/completion/completion_dart.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/source.dart';
 
 /**
  * An object used to produce completions for a specific error within a Dart
  * file. Completion contributors are long-lived objects and must not retain any
  * state between invocations of [computeSuggestions].
  *
  * Clients are expected to subtype this class when implementing plugins.
  */
 abstract class DartCompletionContributor extends CompletionContributor {
   @override
   CompletionResult computeSuggestions(CompletionRequest request) {
     if (request is DartCompletionRequest) {
       return internalComputeSuggestions(request);
     }
     AnalysisContext context = request.context;
     Source source = request.source;
     List<Source> libraries = context.getLibrariesContaining(source);
     if (libraries.length < 1) {
       return null;
     }
-    CompilationUnit unit =
-        context.getResolvedCompilationUnit2(source, libraries[0]);
-    bool isResolved = true;
-    if (unit == null) {
-      // TODO(brianwilkerson) Implement a method for getting a parsed
-      // compilation unit without parsing the unit if it hasn't been parsed.
+//    CompilationUnit unit =
+//        context.getResolvedCompilationUnit2(source, libraries[0]);
+//    bool isResolved = true;
+//    if (unit == null) {
+//      // TODO(brianwilkerson) Implement a method for getting a parsed
+//      // compilation unit without parsing the unit if it hasn't been parsed.
 //      unit = context.getParsedCompilationUnit(source);
-      if (unit == null) {
-        return null;
-      }
-      isResolved = false;
-    }
-    DartCompletionRequest dartRequest =
-        new DartCompletionRequestImpl(request, unit, isResolved);
-    return internalComputeSuggestions(dartRequest);
+//      if (unit == null) {
+//        return null;
+//      }
+//      isResolved = false;
+//    }
+//    DartCompletionRequest dartRequest =
+//        new DartCompletionRequestImpl(request, unit, isResolved);
+//    return internalComputeSuggestions(dartRequest);
+    return null;
   }
 
   /**
    * Compute a list of completion suggestions based on the given completion
    * [request] and return a result that includes those suggestions. This method
    * is called after specific phases of analysis until the contributor indicates
    * computation is complete by setting [CompletionResult.isLast] to `true`.
    */
   CompletionResult internalComputeSuggestions(DartCompletionRequest request);
 }
@@ skipping 21 matching lines @@
    * Return the completion target.  This determines what part of the parse tree
    * will receive the newly inserted text.
    */
   //CompletionTarget get target;
 
   /**
    * Information about the types of suggestions that should be included.
    */
   //OpType get _optype;
 }