Unify the server and plugin versions of the generators

pkg/analysis_server/test/services/completion/dart/local_constructor_contributor_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.services.completion.contributor.dart.constructor;
-
-import 'package:analysis_server/plugin/protocol/protocol.dart' as protocol
-    show Element, ElementKind;
-import 'package:analysis_server/plugin/protocol/protocol.dart'
-    hide Element, ElementKind;
+import 'package:analysis_server/protocol/protocol_generated.dart';
 import 'package:analysis_server/src/protocol_server.dart';
 import 'package:analysis_server/src/provisional/completion/dart/completion_dart.dart';
 import 'package:analysis_server/src/services/completion/dart/local_constructor_contributor.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import 'completion_contributor_util.dart';
 
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(LocalConstructorContributorTest);
     defineReflectiveTests(LocalConstructorContributorTest_Driver);
   });
 }
 
 @reflectiveTest
 class LocalConstructorContributorTest extends DartCompletionContributorTest {
   CompletionSuggestion assertSuggestLocalVariable(
       String name, String returnType,
       {int relevance: DART_RELEVANCE_LOCAL_VARIABLE}) {
     // Local variables should only be suggested by LocalReferenceContributor
     CompletionSuggestion cs = assertSuggest(name,
         csKind: CompletionSuggestionKind.INVOCATION, relevance: relevance);
     expect(cs.returnType, returnType != null ? returnType : 'dynamic');
-    protocol.Element element = cs.element;
+    Element element = cs.element;
     expect(element, isNotNull);
-    expect(element.kind, equals(protocol.ElementKind.LOCAL_VARIABLE));
+    expect(element.kind, equals(ElementKind.LOCAL_VARIABLE));
     expect(element.name, equals(name));
     expect(element.parameters, isNull);
     expect(element.returnType, returnType != null ? returnType : 'dynamic');
     assertHasNoParameterInfo(cs);
     return cs;
   }
 
   CompletionSuggestion assertSuggestParameter(String name, String returnType,
       {int relevance: DART_RELEVANCE_PARAMETER}) {
     CompletionSuggestion cs = assertSuggest(name,
         csKind: CompletionSuggestionKind.INVOCATION, relevance: relevance);
     expect(cs.returnType, returnType != null ? returnType : 'dynamic');
-    protocol.Element element = cs.element;
+    Element element = cs.element;
     expect(element, isNotNull);
-    expect(element.kind, equals(protocol.ElementKind.PARAMETER));
+    expect(element.kind, equals(ElementKind.PARAMETER));
     expect(element.name, equals(name));
     expect(element.parameters, isNull);
     expect(element.returnType,
         equals(returnType != null ? returnType : 'dynamic'));
     return cs;
   }
 
   @override
   DartCompletionContributor createContributor() {
     return new LocalConstructorContributor();
@@ skipping 4101 matching lines @@
   A(int bar, {bool boo, @required int baz});
   baz() {
     new A^
   }
 }''');
     await computeSuggestions();
 
     assertSuggestConstructor('A', defaultArgListString: 'bar, baz: null');
   }
 }