In DeclarationResolver, handle generic function-typed parameters.

pkg/analyzer/lib/src/generated/declaration_resolver.dart

 // Copyright (c) 2016, 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 analyzer.src.generated.declaration_resolver;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/dart/ast/visitor.dart';
 import 'package:analyzer/dart/element/element.dart';
@@ skipping 510 matching lines @@
         _parameters = element.parameters,
         _typeParameters = element.typeParameters,
         _variables = element.localVariables;
 
   /**
    * Creates an [ElementWalker] which walks the child elements of a parameter
    * element.
    */
   ElementWalker.forParameter(ParameterElement element)
       : element = element,
-        _parameters = element.parameters;
+        _parameters = element.parameters,
+        _typeParameters = element.typeParameters;
 
   /**
    * Creates an [ElementWalker] which walks the child elements of a typedef
    * element.
    */
   ElementWalker.forTypedef(FunctionTypeAliasElement element)
       : element = element,
         _parameters = element.parameters,
         _typeParameters = element.typeParameters;
 
@@ skipping 90 matching lines @@
 class _ElementMismatchException extends AnalysisException {
   /**
    * Creates an exception to refer to the given [compilationUnit], [element],
    * and [cause].
    */
   _ElementMismatchException(
       CompilationUnitElement compilationUnit, Element element,
       [CaughtException cause = null])
       : super('Element mismatch in $compilationUnit at $element', cause);
 }