Add InstrumentationService.logPriorityException() and use logException() in refactorings.

pkg/analysis_server/lib/src/edit/edit_domain.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 edit.domain;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/collections.dart';
@@ skipping 276 matching lines @@
           return _sendResultResponse();
         }
         // create change
         return refactoring.createChange().then((change) {
           result.change = change;
           result.potentialEdits = nullIfEmpty(refactoring.potentialEditIds);
           return _sendResultResponse();
         });
       });
     }).catchError((exception, stackTrace) {
-      _reset();
+      server.instrumentationService.logException(exception, stackTrace);
       server.sendResponse(
           new Response.serverError(request, exception, stackTrace));
+      _reset();
     });
   }
 
   /**
    * Initializes this context to perform a refactoring with the specified
    * parameters. The existing [Refactoring] is reused or created as needed.
    */
   Future<RefactoringStatus> _init(RefactoringKind kind, String file, int offset,
       int length) {
     // check if we can continue with the existing Refactoring instance
@@ skipping 206 matching lines @@
     }
     if (refactoring is RenameRefactoring) {
       RenameRefactoring renameRefactoring = refactoring;
       RenameOptions renameOptions = params.options;
       renameRefactoring.newName = renameOptions.newName;
       return renameRefactoring.checkNewName();
     }
     return new RefactoringStatus();
   }
 }