Implement type variables in mixin applications.

pkg/front_end/lib/src/fasta/source/outline_builder.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 fasta.outline_builder;
 
 import 'package:kernel/ast.dart' show
     AsyncMarker,
     ProcedureKind;
 
@@ skipping 192 matching lines @@
   }
 
   @override
   void endClassDeclaration(int interfacesCount, Token beginToken,
       Token extendsKeyword, Token implementsKeyword, Token endToken) {
     debugEvent("endClassDeclaration");
     List<TypeBuilder> interfaces = popList(interfacesCount);
     TypeBuilder supertype = pop();
     List<TypeVariableBuilder> typeVariables = pop();
     String name = pop();
+    if (typeVariables != null && supertype is MixinApplicationBuilder) {
+      supertype.typeVariables = typeVariables;
+      supertype.subclassName = name;
+    }
     int modifiers = Modifier.validate(pop());
     List<MetadataBuilder> metadata = pop();
     library.addClass(metadata, modifiers, name, typeVariables, supertype,
         interfaces, beginToken.charOffset);
     checkEmpty();
   }
 
   ProcedureKind computeProcedureKind(Token token) {
     if (token == null) return ProcedureKind.Method;
     if (optional("get", token)) return ProcedureKind.Getter;
@@ skipping 91 matching lines @@
   }
 
   @override
   void endNamedMixinApplication(
       Token classKeyword, Token implementsKeyword, Token endToken) {
     debugEvent("endNamedMixinApplication");
     List<TypeBuilder> interfaces = popIfNotNull(implementsKeyword);
     TypeBuilder mixinApplication = pop();
     List<TypeVariableBuilder> typeVariables = pop();
     String name = pop();
+    if (typeVariables != null && mixinApplication is MixinApplicationBuilder) {
+      mixinApplication.typeVariables = typeVariables;
+      mixinApplication.subclassName = name;
+    }
     int modifiers = Modifier.validate(pop());
     List<MetadataBuilder> metadata = pop();
     library.addNamedMixinApplication(
         metadata, name, typeVariables, modifiers, mixinApplication, interfaces,
         classKeyword.charOffset);
     checkEmpty();
   }
 
   @override
   void endTypeArguments(int count, Token beginToken, Token endToken) {
@@ skipping 272 matching lines @@
   Link<Token> handleMemberName(Link<Token> identifiers) {
     if (!isDartLibrary || identifiers.isEmpty) return identifiers;
     return removeNativeClause(identifiers);
   }
 
   @override
   void debugEvent(String name) {
     // printEvent(name);
   }
 }