Revert "Move dart2jslib parts into separate libraries."

pkg/compiler/lib/src/resolved_visitor.dart

Index: pkg/compiler/lib/src/resolved_visitor.dart
diff --git a/pkg/compiler/lib/src/resolved_visitor.dart b/pkg/compiler/lib/src/resolved_visitor.dart
index 7fd8aa653d3417f5df4a429d70674a64bd0e7d98..5eb6a13bfef40e5171fa078c207409e15429519d 100644
--- a/pkg/compiler/lib/src/resolved_visitor.dart
+++ b/pkg/compiler/lib/src/resolved_visitor.dart
@@ -2,37 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-library dart2js.resolved_visitor;
-
-import 'constants/expressions.dart';
-import 'dart_types.dart' show
-    DartType;
-import 'dart2jslib.dart' show
-    invariant;
-import 'elements/elements.dart' show
-    Element,
-    Elements,
-    ErroneousElement,
-    FunctionElement,
-    LocalFunctionElement,
-    LocalVariableElement,
-    ParameterElement,
-    PrefixElement,
-    TypeVariableElement;
-import 'resolution/operators.dart' as op;
-import 'resolution/resolution.dart' show
-    TreeElements;
-import 'resolution/semantic_visitor.dart';
-import 'resolution/send_structure.dart' show
-    NewStructure,
-    SemanticSendStructure,
-    SendStructure;
-import 'tree/tree.dart';
-import 'universe/universe.dart' show
-    CallStructure,
-    Selector;
-import 'util/util.dart' show
-    Spannable;
+part of dart2js;
 
 /// Enum for the visit methods added in [ResolvedVisitor].
 // TODO(johnniwinther): Remove this.