dart2js cps: Compute intercepted classes in optimize_interceptors.

pkg/compiler/lib/src/js_backend/codegen/unsugar.dart

 library dart2js.unsugar_cps;
 
 import '../../cps_ir/cps_ir_nodes.dart';
 
-import '../../cps_ir/optimizers.dart' show ParentVisitor, Pass;
+import '../../cps_ir/optimizers.dart' show Pass;
 import '../../constants/values.dart';
 import '../../elements/elements.dart';
 import '../../js_backend/codegen/glue.dart';
 import '../../universe/selector.dart' show Selector;
 import '../../cps_ir/cps_ir_builder.dart' show ThisParameterLocal;
 import '../../cps_ir/cps_fragment.dart';
 import '../../common/names.dart';
 
 class ExplicitReceiverParameterEntity implements Local {
   String get name => 'receiver';
@@ skipping 196 matching lines @@
 
     Primitive receiver = node.receiver.definition;
     Primitive newReceiver;
 
     if (receiver == explicitReceiverParameter) {
       // If the receiver is the explicit receiver, we are calling a method in
       // the same interceptor:
       //  Change 'receiver.foo()'  to  'this.foo(receiver)'.
       newReceiver = thisParameter;
     } else {
-      newReceiver = new Interceptor(receiver, node.sourceInformation)
-          ..interceptedClasses.addAll(_glue.getInterceptedClassesOn(selector));
+      newReceiver = new Interceptor(receiver, node.sourceInformation);
       if (receiver.hint != null) {
         newReceiver.hint = new InterceptorEntity(receiver.hint);
       }
       new LetPrim(newReceiver).insertAbove(node.parent);
     }
     node.arguments.insert(0, node.receiver);
     node.receiver = new Reference<Primitive>(newReceiver)..parent = node;
     node.callingConvention = CallingConvention.Intercepted;
   }
 
   processInvokeMethodDirectly(InvokeMethodDirectly node) {
     if (!_glue.isInterceptedMethod(node.target)) return;
 
-    Selector selector = node.selector;
     Primitive receiver = node.receiver.definition;
     Primitive newReceiver;
 
     if (receiver == explicitReceiverParameter) {
       // If the receiver is the explicit receiver, we are calling a method in
       // the same interceptor:
       //  Change 'receiver.foo()'  to  'this.foo(receiver)'.
       newReceiver = thisParameter;
     } else {
-      newReceiver = new Interceptor(receiver, node.sourceInformation)
-        ..interceptedClasses.addAll(_glue.getInterceptedClassesOn(selector));
+      newReceiver = new Interceptor(receiver, node.sourceInformation);
       if (receiver.hint != null) {
         newReceiver.hint = new InterceptorEntity(receiver.hint);
       }
       new LetPrim(newReceiver).insertAbove(node.parent);
     }
     node.arguments.insert(0, node.receiver);
     node.receiver = new Reference<Primitive>(newReceiver)..parent = node;
     node.callingConvention = CallingConvention.Intercepted;
   }
-
-  processInterceptor(Interceptor node) {
-    _glue.registerSpecializedGetInterceptor(node.interceptedClasses);
-  }
 }