Prefix resolution_types with Resolution.

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

Index: pkg/compiler/lib/src/serialization/impact_serialization.dart
diff --git a/pkg/compiler/lib/src/serialization/impact_serialization.dart b/pkg/compiler/lib/src/serialization/impact_serialization.dart
index 819770df7bb6763af6df514f83f8a04bde92dc04..3b8e4b1dbb8b63075732844d98df81bf5a622531 100644
--- a/pkg/compiler/lib/src/serialization/impact_serialization.dart
+++ b/pkg/compiler/lib/src/serialization/impact_serialization.dart
@@ -137,7 +137,7 @@ class ImpactDeserializer {
       StaticUseKind kind = object.getEnum(Key.KIND, StaticUseKind.values);
       Element usedElement =
           deserializeElementReference(element, Key.ELEMENT, Key.NAME, object);
-      DartType type = object.getType(Key.TYPE, isOptional: true);
+      ResolutionDartType type = object.getType(Key.TYPE, isOptional: true);
       staticUses.add(new StaticUse.internal(usedElement, kind, type));
     }
 
@@ -154,7 +154,7 @@ class ImpactDeserializer {
     for (int index = 0; index < typeUseDecoder.length; index++) {
       ObjectDecoder object = typeUseDecoder.getObject(index);
       TypeUseKind kind = object.getEnum(Key.KIND, TypeUseKind.values);
-      DartType type = object.getType(Key.TYPE);
+      ResolutionDartType type = object.getType(Key.TYPE);
       typeUses.add(new TypeUse.internal(type, kind));
     }
 
@@ -174,7 +174,7 @@ class ImpactDeserializer {
       listLiterals = <ListLiteralUse>[];
       for (int i = 0; i < listLiteralDecoder.length; i++) {
         ObjectDecoder useDecoder = listLiteralDecoder.getObject(i);
-        DartType type = useDecoder.getType(Key.TYPE);
+        ResolutionDartType type = useDecoder.getType(Key.TYPE);
         bool isConstant = useDecoder.getBool(Key.IS_CONST);
         bool isEmpty = useDecoder.getBool(Key.IS_EMPTY);
         listLiterals.add(
@@ -189,7 +189,7 @@ class ImpactDeserializer {
       mapLiterals = <MapLiteralUse>[];
       for (int i = 0; i < mapLiteralDecoder.length; i++) {
         ObjectDecoder useDecoder = mapLiteralDecoder.getObject(i);
-        DartType type = useDecoder.getType(Key.TYPE);
+        ResolutionDartType type = useDecoder.getType(Key.TYPE);
         bool isConstant = useDecoder.getBool(Key.IS_CONST);
         bool isEmpty = useDecoder.getBool(Key.IS_EMPTY);
         mapLiterals.add(