include constructor arguments in completion suggestions

pkg/analysis_server/lib/src/services/completion/local_declaration_visitor.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.completion.computer.dart.local.Declaration.visitor;
 
 import 'package:analysis_server/src/services/completion/suggestion_builder.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/scanner.dart';
 
@@ skipping 126 matching lines @@
         }
       } else if (declaration is ClassTypeAlias) {
         declaredClassTypeAlias(declaration);
       } else if (declaration is FunctionTypeAlias) {
         declaredFunctionTypeAlias(declaration);
       }
     });
   }
 
   @override
+  visitConstructorDeclaration(ConstructorDeclaration node) {
+    _visitParamList(node.parameters);
+    visitNode(node);
+  }
+
+  @override
   void visitForEachStatement(ForEachStatement node) {
     SimpleIdentifier id;
     TypeName type;
     DeclaredIdentifier loopVar = node.loopVariable;
     if (loopVar != null) {
       id = loopVar.identifier;
       type = loopVar.type;
     } else {
       id = node.identifier;
       type = null;
@@ skipping 98 matching lines @@
       });
     }
   }
 }
 
 /**
  * Internal exception used to indicate that [LocalDeclarationVisitor]
  * should stop visiting.
  */
 class _LocalDeclarationVisitorFinished {}