Add Resolution and Parsing interfaces for computeType, ensureResolved and parseNode.

tests/compiler/dart2js/mock_compiler.dart

Index: tests/compiler/dart2js/mock_compiler.dart
diff --git a/tests/compiler/dart2js/mock_compiler.dart b/tests/compiler/dart2js/mock_compiler.dart
index 9f67d129426ab1935f1bc6495855b60380c6d317..e31f2ff0851da0d685babd20f940aa819cc49b25 100644
--- a/tests/compiler/dart2js/mock_compiler.dart
+++ b/tests/compiler/dart2js/mock_compiler.dart
@@ -157,7 +157,7 @@ class MockCompiler extends Compiler {
       // dynamic invocation the ArgumentTypesRegistry eventually iterates over
       // the interfaces of the Object class which would be 'null' if the class
       // wasn't resolved.
-      objectClass.ensureResolved(this);
+      objectClass.ensureResolved(resolution);
     }).then((_) => uri);
   }