Remove SimpleType.

lib/compiler/implementation/compile_time_constants.dart

Index: lib/compiler/implementation/compile_time_constants.dart
diff --git a/lib/compiler/implementation/compile_time_constants.dart b/lib/compiler/implementation/compile_time_constants.dart
index 4a1fd7be4e0106ffc02dd5656c2f4c227292be53..d733020f0b68262cc038362ea60dae16a543d4e2 100644
--- a/lib/compiler/implementation/compile_time_constants.dart
+++ b/lib/compiler/implementation/compile_time_constants.dart
@@ -767,7 +767,7 @@ class CompileTimeConstantEvaluator extends AbstractVisitor {
     ClassElement classElement = compiler.jsHelperLibrary.find(className);
     classElement.ensureResolved(compiler);
     // TODO(floitsch): copy over the generic type.
-    Type type = new SimpleType(classElement.name, classElement);
+    Type type = new InterfaceType(classElement.name, classElement);
     compiler.registerInstantiatedClass(classElement);
     Constant constant = new MapConstant(type, keysList, values, protoValue);
     compiler.constantHandler.registerCompileTimeConstant(constant);