Remove references to Engine classes from protocol.dart

pkg/analysis_server/lib/src/search/element_references.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 search.element_references;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/collections.dart';
-import 'package:analysis_server/src/protocol.dart' show SearchResult;
+import 'package:analysis_server/src/protocol_server.dart' show SearchResult,
+    newSearchResult_fromMatch;
 import 'package:analysis_server/src/services/search/hierarchy.dart';
 import 'package:analysis_server/src/services/search/search_engine.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/source.dart';
 
 
 /**
  * A computer for `search.findElementReferences` request results.
  */
 class ElementReferencesComputer {
@@ skipping 63 matching lines @@
   Future<Iterable<Element>> _getRefElements(Element element) {
     if (element is ClassMemberElement) {
       return getHierarchyMembers(searchEngine, element);
     }
     return new Future.value([element]);
   }
 
   SearchResult _newDeclarationResult(Element refElement) {
     int nameOffset = refElement.nameOffset;
     int nameLength = refElement.name.length;
-    SearchMatch searchMatch =
-        new SearchMatch(
-            MatchKind.DECLARATION,
-            refElement,
-            new SourceRange(nameOffset, nameLength),
-            true,
-            false);
-    return new SearchResult.fromMatch(searchMatch);
+    SearchMatch searchMatch = new SearchMatch(
+        MatchKind.DECLARATION,
+        refElement,
+        new SourceRange(nameOffset, nameLength),
+        true,
+        false);
+    return newSearchResult_fromMatch(searchMatch);
   }
 
   static SearchResult toResult(SearchMatch match) {
-    return new SearchResult.fromMatch(match);
+    return newSearchResult_fromMatch(match);
   }
 
   static bool _isMemberElement(Element element) {
     if (element is ConstructorElement) {
       return false;
     }
     return element.enclosingElement is ClassElement;
   }
 
   static bool _isDeclarationInteresting(Element element) {
@@ skipping 32 matching lines @@
    * Adds a [Future] or an [E] value to results.
    */
   void add(value) {
     if (value is Future) {
       _futures.add(value);
     } else {
       _futures.add(new Future.value(<E>[value]));
     }
   }
 }