Use entities in TypeVariableResolutionAnalysis and TypeVariableCodegenAnalysis

pkg/compiler/lib/src/compiler.dart

 // Copyright (c) 2012, 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 dart2js.compiler_base;
 
 import 'dart:async' show Future;
 
 import '../compiler_new.dart' as api;
 import 'closure.dart' as closureMapping show ClosureTask;
@@ skipping 1816 matching lines @@
     return cls.thisType;
   }
 
   @override
   ResolutionInterfaceType getRawType(ClassElement cls) {
     cls.ensureResolved(_resolution);
     return cls.rawType;
   }
 
   @override
+  ResolutionDartType getTypeVariableBound(TypeVariableElement typeVariable) {
+    return typeVariable.bound;
+  }
+
+  @override
   ResolutionInterfaceType createInterfaceType(
       ClassElement cls, List<ResolutionDartType> typeArguments) {
     cls.ensureResolved(_resolution);
     return cls.thisType.createInstantiation(typeArguments);
   }
 
   @override
   bool isSubtype(ResolutionDartType a, ResolutionDartType b) {
     return _compiler.types.isSubtype(a, b);
   }
@@ skipping 141 matching lines @@
   bool isDeferredLoadLibraryGetter(MemberElement member) {
     return member.isDeferredLoaderGetter;
   }
 
   @override
   ResolutionFunctionType getFunctionType(MethodElement method) {
     method.computeType(_resolution);
     return method.type;
   }
 }