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

pkg/compiler/lib/src/resolution/registry.dart

Index: pkg/compiler/lib/src/resolution/registry.dart
diff --git a/pkg/compiler/lib/src/resolution/registry.dart b/pkg/compiler/lib/src/resolution/registry.dart
index de12ef01a2723388b05da8eb3da556ac20eb049b..345b68326dbf24aeb9b6ae1af7abb3f974d35e64 100644
--- a/pkg/compiler/lib/src/resolution/registry.dart
+++ b/pkg/compiler/lib/src/resolution/registry.dart
@@ -405,7 +405,7 @@ class ResolutionRegistry implements Registry {
   // Use [registerInstantiatedType] of `rawType` instead.
   @deprecated
   void registerInstantiatedClass(ClassElement element) {
-    element.ensureResolved(compiler);
+    element.ensureResolved(compiler.resolution);
     registerInstantiatedType(element.rawType);
   }
 
@@ -447,7 +447,7 @@ class ResolutionRegistry implements Registry {
   }
 
   void registerClosure(LocalFunctionElement element) {
-    if (element.computeType(compiler).containsTypeVariables) {
+    if (element.computeType(compiler.resolution).containsTypeVariables) {
       backend.registerClosureWithFreeTypeVariables(element, world, this);
     }
     world.registerClosure(element);