dart2js: Add a type parameter to class Reference in the CPS IR.

pkg/analyzer2dart/lib/src/cps_generator.dart

Index: pkg/analyzer2dart/lib/src/cps_generator.dart
diff --git a/pkg/analyzer2dart/lib/src/cps_generator.dart b/pkg/analyzer2dart/lib/src/cps_generator.dart
index 905e60885898d08e2304c3bff4a07195fedc74f0..d2c6b224551b6b9cf247ca78612d415a80156607 100644
--- a/pkg/analyzer2dart/lib/src/cps_generator.dart
+++ b/pkg/analyzer2dart/lib/src/cps_generator.dart
@@ -57,10 +57,10 @@ class CpsGeneratingVisitor extends SemanticVisitor<ir.Node>
     });
   }
 
-  List<ir.Definition> visitArguments(ArgumentList argumentList) {
-    List<ir.Definition> arguments = <ir.Definition>[];
+  List<ir.Primitive> visitArguments(ArgumentList argumentList) {
+    List<ir.Primitive> arguments = <ir.Primitive>[];
     for (Expression argument in argumentList.arguments) {
-      ir.Definition value = build(argument);
+      ir.Primitive value = build(argument);
       if (value == null) {
         giveUp(argument,
             'Unsupported argument: $argument (${argument.runtimeType}).');
@@ -81,7 +81,7 @@ class CpsGeneratingVisitor extends SemanticVisitor<ir.Node>
                                       AccessSemantics semantics) {
     // TODO(johnniwinther): Handle implicit `this`.
     ir.Primitive receiver = build(semantics.target);
-    List<ir.Definition> arguments = visitArguments(node.argumentList);
+    List<ir.Primitive> arguments = visitArguments(node.argumentList);
     return irBuilder.buildDynamicInvocation(
         receiver,
         createSelectorFromMethodInvocation(
@@ -94,7 +94,7 @@ class CpsGeneratingVisitor extends SemanticVisitor<ir.Node>
                                            AccessSemantics semantics) {
     analyzer.Element staticElement = semantics.element;
     dart2js.Element element = converter.convertElement(staticElement);
-    List<ir.Definition> arguments = visitArguments(node.argumentList);
+    List<ir.Primitive> arguments = visitArguments(node.argumentList);
     return irBuilder.buildStaticInvocation(
         element,
         createSelectorFromMethodInvocation(
@@ -109,7 +109,7 @@ class CpsGeneratingVisitor extends SemanticVisitor<ir.Node>
     if (staticElement != null) {
       dart2js.Element element = converter.convertElement(staticElement);
       dart2js.DartType type = converter.convertType(node.staticType);
-      List<ir.Definition> arguments = visitArguments(node.argumentList);
+      List<ir.Primitive> arguments = visitArguments(node.argumentList);
       String name = '';
       if (node.constructorName.name != null) {
         name = node.constructorName.name.name;
@@ -258,7 +258,7 @@ class CpsGeneratingVisitor extends SemanticVisitor<ir.Node>
     ir.Primitive right = build(node.rightOperand);
     Selector selector = new Selector.binaryOperator(op);
     return irBuilder.buildDynamicInvocation(
-        left, selector, <ir.Definition>[right]);
+        left, selector, <ir.Primitive>[right]);
   }
 
   ir.Node handleLazyOperator(BinaryExpression node, {bool isLazyOr: false}) {