Remove references to Engine classes from protocol.dart

pkg/analysis_server/lib/src/services/refactoring/rename_class_member.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 services.src.refactoring.rename_class_member;
 
 import 'dart:async';
 
-import 'package:analysis_server/src/protocol.dart' hide Element, ElementKind;
+import 'package:analysis_server/src/protocol_server.dart' hide Element,
+    ElementKind;
 import 'package:analysis_server/src/services/correction/status.dart';
 import 'package:analysis_server/src/services/correction/util.dart';
 import 'package:analysis_server/src/services/refactoring/naming_conventions.dart';
 import 'package:analysis_server/src/services/refactoring/refactoring.dart';
 import 'package:analysis_server/src/services/refactoring/refactoring_internal.dart';
 import 'package:analysis_server/src/services/refactoring/rename.dart';
 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/java_core.dart';
@@ skipping 136 matching lines @@
   Future<RefactoringStatus> validate() {
     RefactoringStatus result = new RefactoringStatus();
     // check if there is a member with "newName" in the same ClassElement
     for (Element newNameMember in getChildren(elementClass, name)) {
       result.addError(
           format(
               "Class '{0}' already declares {1} with name '{2}'.",
               elementClass.displayName,
               getElementKindName(newNameMember),
               name),
-          new Location.fromElement(newNameMember));
+          newLocation_fromElement(newNameMember));
     }
     // do chained computations
     Set<ClassElement> superClasses = getSuperClasses(elementClass);
     Set<ClassElement> subClasses;
     return _prepareReferences().then((_) {
       return getSubClasses(searchEngine, elementClass).then((_subs) {
         subClasses = _subs;
       });
     }).then((_) {
       // check shadowing in hierarchy
       return searchEngine.searchElementDeclarations(name).then((decls) {
         for (SearchMatch decl in decls) {
           Element nameElement = getSyntheticAccessorVariable(decl.element);
           Element nameClass = nameElement.enclosingElement;
           // renamed Element shadows member of superclass
           if (superClasses.contains(nameClass)) {
             result.addError(
                 format(
                     isRename ?
                         "Renamed {0} will shadow {1} '{2}'." :
                         "Created {0} will shadow {1} '{2}'.",
                     elementKind.displayName,
                     getElementKindName(nameElement),
                     getElementQualifiedName(nameElement)),
-                new Location.fromElement(nameElement));
+                newLocation_fromElement(nameElement));
           }
           // renamed Element is shadowed by member of subclass
           if (isRename && subClasses.contains(nameClass)) {
             result.addError(
                 format(
                     "Renamed {0} will be shadowed by {1} '{2}'.",
                     elementKind.displayName,
                     getElementKindName(nameElement),
                     getElementQualifiedName(nameElement)),
-                new Location.fromElement(nameElement));
+                newLocation_fromElement(nameElement));
           }
           // renamed Element is shadowed by local
           if (nameElement is LocalElement) {
             LocalElement localElement = nameElement;
             ClassElement enclosingClass =
                 nameElement.getAncestor((element) => element is ClassElement);
             if (enclosingClass == elementClass ||
                 subClasses.contains(enclosingClass)) {
               for (SearchMatch reference in references) {
                 if (isReferenceInLocalRange(localElement, reference)) {
                   result.addError(
                       format(
                           "Usage of renamed {0} will be shadowed by {1} '{2}'.",
                           elementKind.displayName,
                           getElementKindName(localElement),
                           localElement.displayName),
-                      new Location.fromMatch(reference));
+                      newLocation_fromMatch(reference));
                 }
               }
             }
           }
         }
       });
     }).then((_) => result);
   }
 
   /**
@@ skipping 21 matching lines @@
     }
     return _prepareElements().then((_) {
       return Future.forEach(elements, (Element element) {
         return searchEngine.searchReferences(element).then((references) {
           this.references.addAll(references);
         });
       });
     });
   }
 }