Split resolution into several libraries.

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

Index: pkg/compiler/lib/src/serialization/modelz.dart
diff --git a/pkg/compiler/lib/src/serialization/modelz.dart b/pkg/compiler/lib/src/serialization/modelz.dart
index 47512aa9afe168879b6ef939106485ebce9f81a4..b39d715ea3587dc746d06872f3da9d40dd30172c 100644
--- a/pkg/compiler/lib/src/serialization/modelz.dart
+++ b/pkg/compiler/lib/src/serialization/modelz.dart
@@ -20,19 +20,28 @@ import '../diagnostics/source_span.dart'
 import '../dart_types.dart';
 import '../diagnostics/diagnostic_listener.dart';
 import '../elements/elements.dart';
-import '../elements/modelx.dart' show FunctionSignatureX;
+import '../elements/modelx.dart' show
+    FunctionSignatureX;
 import '../elements/common.dart';
 import '../elements/visitor.dart';
 import '../io/source_file.dart';
 import '../ordered_typeset.dart';
-import '../resolution/resolution.dart';
 import '../resolution/class_members.dart' as class_members;
-import '../resolution/enum_creator.dart' show AstBuilder;
-import '../scanner/scannerlib.dart' show Token, SEMICOLON_INFO;
+import '../resolution/enum_creator.dart' show
+    AstBuilder;
+import '../resolution/tree_elements.dart' show
+    TreeElements;
+import '../resolution/scope.dart' show
+    Scope;
+import '../scanner/scannerlib.dart' show
+    Token,
+    SEMICOLON_INFO;
 import '../script.dart';
 import '../serialization/constant_serialization.dart';
 import '../tree/tree.dart';
-import '../util/util.dart' show Link, LinkBuilder;
+import '../util/util.dart' show
+    Link,
+    LinkBuilder;
 
 /// Compute a [Link] from an [Iterable].
 Link toLink(Iterable iterable) {