Move scope.dart.

pkg/front_end/lib/src/fasta/source/source_library_builder.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // 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 fasta.source_library_builder;
 
 import 'package:kernel/ast.dart' show AsyncMarker, ProcedureKind;
 
 import '../combinator.dart' show Combinator;
 
 import '../errors.dart' show inputError, internalError;
 
 import '../export.dart' show Export;
 
 import '../import.dart' show Import;
 
 import 'source_loader.dart' show SourceLoader;
 
-import '../builder/scope.dart' show Scope;
-
 import '../builder/builder.dart'
     show
         Builder,
         ClassBuilder,
         ConstructorReferenceBuilder,
         FormalParameterBuilder,
         FunctionTypeBuilder,
         LibraryBuilder,
         MemberBuilder,
         MetadataBuilder,
         PrefixBuilder,
         ProcedureBuilder,
+        Scope,
         TypeBuilder,
         TypeDeclarationBuilder,
         TypeVariableBuilder,
         Unhandled;
 
 abstract class SourceLibraryBuilder<T extends TypeBuilder, R>
     extends LibraryBuilder<T, R> {
   final SourceLoader loader;
 
   final DeclarationBuilder<T> libraryDeclaration =
@@ skipping 495 matching lines @@
   }
 
   /// Called to register [procedure] as a factory whose types are collected in
   /// [factoryDeclaration]. Later, once the class has been built, we can
   /// synthesize type variables on the factory matching the class'.
   void addFactoryDeclaration(
       ProcedureBuilder procedure, DeclarationBuilder<T> factoryDeclaration) {
     factoryDeclarations[procedure] = factoryDeclaration;
   }
 }