Fix for starting 'Rename LibraryElement' refactoring.

pkg/analysis_server/lib/src/analysis_server.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 analysis.server;
 
 import 'dart:async';
 import 'dart:collection';
 
 import 'package:analyzer/file_system/file_system.dart';
@@ skipping 814 matching lines @@
   }
 
   /**
    * Returns [Element]s of the given [nodes].
    *
    * May be empty if not resolved, but not `null`.
    */
   List<Element> getElementsOfNodes(List<AstNode> nodes, int offset) {
     List<Element> elements = <Element>[];
     for (AstNode node in nodes) {
+      if (node is SimpleIdentifier && node.parent is LibraryIdentifier) {
+        node = node.parent;
+      }
+      if (node is LibraryIdentifier) {
+        node = node.parent;
+      }
       Element element = ElementLocator.locateWithOffset(node, offset);
       if (node is SimpleIdentifier && element is PrefixElement) {
         element = getImportElement(node);
       }
       if (element != null) {
         elements.add(element);
       }
     }
     return elements;
   }
@@ skipping 109 matching lines @@
     // send the notification
     channel.sendNotification(
         new ServerErrorParams(
             true,
             exceptionString,
             stackTraceString).toNotification());
   }
 }
 
 typedef void OptionUpdater(AnalysisOptionsImpl options);