Prefix resolution_types with Resolution.

pkg/compiler/lib/src/serialization/resolved_ast_serialization.dart

Index: pkg/compiler/lib/src/serialization/resolved_ast_serialization.dart
diff --git a/pkg/compiler/lib/src/serialization/resolved_ast_serialization.dart b/pkg/compiler/lib/src/serialization/resolved_ast_serialization.dart
index 03d6a9161826ce296b2005875eabf1611aac9825..85044fb3cf3f052e9d639ba70faeade20327b3b7 100644
--- a/pkg/compiler/lib/src/serialization/resolved_ast_serialization.dart
+++ b/pkg/compiler/lib/src/serialization/resolved_ast_serialization.dart
@@ -237,7 +237,7 @@ class ResolvedAstSerializer extends Visitor {
       serializeElementReference(element, Key.ELEMENT, Key.NAME,
           getNodeDataEncoder(node), nodeElement);
     }
-    DartType type = elements.getType(node);
+    ResolutionDartType type = elements.getType(node);
     if (type != null) {
       getNodeDataEncoder(node).setType(Key.TYPE, type);
     }
@@ -250,7 +250,7 @@ class ResolvedAstSerializer extends Visitor {
     if (constant != null) {
       getNodeDataEncoder(node).setConstant(Key.CONSTANT, constant);
     }
-    DartType cachedType = elements.typesCache[node];
+    ResolutionDartType cachedType = elements.typesCache[node];
     if (cachedType != null) {
       getNodeDataEncoder(node).setType(Key.CACHED_TYPE, cachedType);
     }
@@ -606,7 +606,8 @@ class ResolvedAstDeserializer {
         if (nodeElement != null) {
           elements[node] = nodeElement;
         }
-        DartType type = objectDecoder.getType(Key.TYPE, isOptional: true);
+        ResolutionDartType type =
+            objectDecoder.getType(Key.TYPE, isOptional: true);
         if (type != null) {
           elements.setType(node, type);
         }
@@ -620,7 +621,7 @@ class ResolvedAstDeserializer {
         if (constant != null) {
           elements.setConstant(node, constant);
         }
-        DartType cachedType =
+        ResolutionDartType cachedType =
             objectDecoder.getType(Key.CACHED_TYPE, isOptional: true);
         if (cachedType != null) {
           elements.typesCache[node] = cachedType;