Disable completion of formal parameter names as *types*.

pkg/analysis_server/lib/src/services/completion/suggestion_builder.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.suggestion.builder;
 
 import 'dart:async';
 import 'dart:collection';
 
 import 'package:analysis_server/src/protocol_server.dart' as protocol;
@@ skipping 122 matching lines @@
     NodeList<TypeName> mixinTypes = withClause.mixinTypes;
     if (mixinTypes != null) {
       mixinTypes.forEach((TypeName type) {
         visit(type);
       });
     }
   }
 }
 
 /**
- * Starting with the given class node, traverse the inheritence hierarchy
+ * Starting with the given class node, traverse the inheritance hierarchy
  * calling the given functions with each non-null non-empty inherited class
  * declaration. For each locally defined declaration, call [localDeclaration].
  * For each class identifier in the hierarchy that is not defined locally,
  * call the [importedTypeName] function.
  */
 void visitInheritedTypes(ClassDeclaration node,
     {void localDeclaration(ClassDeclaration classNode),
     void importedTypeName(String typeName)}) {
   CompilationUnit unit = node.getAncestor((p) => p is CompilationUnit);
   List<ClassDeclaration> todo = new List<ClassDeclaration>();
@@ skipping 514 matching lines @@
    * or `false` if [computeFull] should be called.
    */
   bool computeFast(AstNode node);
 
   /**
    * Return a future that computes the suggestions given a fully resolved AST.
    * The future returns `true` if suggestions were added, else `false`.
    */
   Future<bool> computeFull(AstNode node);
 }