Don't send a refactoring feedback in case of a fatal initial problem.

pkg/analysis_server/test/edit/refactoring_test.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 test.edit.refactoring;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/edit/edit_domain.dart';
 import 'package:analysis_server/src/protocol.dart';
@@ skipping 419 matching lines @@
   int b = 2;
   print(res(b, a));
   print(res(b, a));
 }
 
 int res(num bbb, int aaa) => aaa + bbb;
 ''');
     });
   }
 
+  test_init_fatalError_invalidStatement() {
+    addTestFile('''
+main(bool b) {
+// start
+  if (b) {
+    print(1);
+// end
+    print(2);
+  }
+}
+''');
+    _setOffsetLengthForStartEnd();
+    return waitForTasksFinished().then((_) {
+      return _sendExtractRequest();
+    }).then((Response response) {
+      var result = new EditGetRefactoringResult.fromResponse(response);
+      assertResultProblemsFatal(result.initialProblems);
+      // ...there is no any feedback
+      expect(result.feedback, isNull);
+    });
+  }
+
   test_names() {
     addTestFile('''
 class TreeItem {}
 TreeItem getSelectedItem() => null;
 main() {
   var a = getSelectedItem( );
 }
 ''');
     _setOffsetLengthForString('getSelectedItem( )');
     return _computeInitialFeedback().then((feedback) {
@@ skipping 1167 matching lines @@
   }
 
   @override
   void setUp() {
     super.setUp();
     server.handlers = [new EditDomainHandler(server),];
     createProject();
     handler = new EditDomainHandler(server);
   }
 }