Use common.dart to re-export commonly used entities.

pkg/compiler/lib/src/common/resolution.dart

 
 // Copyright (c) 2012, 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 dart2js.common.resolution;
 
+import '../common.dart';
 import '../compiler.dart' show
     Compiler;
 import '../core_types.dart' show
     CoreTypes;
 import '../dart_types.dart' show
     DartType,
     InterfaceType;
-import '../diagnostics/diagnostic_listener.dart' show
-    DiagnosticReporter;
 import '../elements/elements.dart' show
     AstElement,
     ClassElement,
     Element,
     ErroneousElement,
     FunctionElement,
     FunctionSignature,
     LocalFunctionElement,
     MetadataAnnotation,
     MethodElement,
@@ skipping 387 matching lines @@
   bool hasBeenResolved(Element element);
   ResolutionWorldImpact analyzeElement(Element element);
 }
 
 // TODO(johnniwinther): Rename to `Parser` or `ParsingContext`.
 abstract class Parsing {
   DiagnosticReporter get reporter;
   void parsePatchClass(ClassElement cls);
   measure(f());
 }