Clean up type inference for PropertySet.

pkg/front_end/lib/src/fasta/kernel/kernel_shadow_ast.dart

 // Copyright (c) 2017, 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.
 
 /// This file declares a "shadow hierarchy" of concrete classes which extend
 /// the kernel class hierarchy, adding methods and fields needed by the
 /// BodyBuilder.
 ///
 /// Instances of these classes may be created using the factory methods in
 /// `ast_factory.dart`.
@@ skipping 1174 matching lines @@
           .getInterfaceMember(receiverType.classNode, name, setter: true);
       // Our non-strong golden files currently don't include interface targets,
       // so we can't store the interface target without causing tests to fail.
       // TODO(paulberry): fix this.
       if (inferrer.strongMode) {
         inferrer.instrumentation?.record(Uri.parse(inferrer.uri), fileOffset,
             'target', new InstrumentationValueForMember(interfaceMember));
         interfaceTarget = interfaceMember;
       }
     }
-    var setterType =
-        inferrer.getSetterType(interfaceMember, receiverType, name);
+    var setterType = inferrer.getSetterType(interfaceMember, receiverType);
     var inferredType = inferrer.inferExpression(value, setterType, typeNeeded);
     inferrer.listener.propertySetExit(this, inferredType);
     return typeNeeded ? inferredType : null;
   }
 }
 
 /// Concrete shadow object representing a redirecting initializer in kernel
 /// form.
 class KernelRedirectingInitializer extends RedirectingInitializer
     implements KernelInitializer {
@@ skipping 704 matching lines @@
   }
 
   transformChildren(v) {
     return internalError("Internal error: Unsupported operation.");
   }
 
   visitChildren(v) {
     return internalError("Internal error: Unsupported operation.");
   }
 }