Refactor Parsing to remove compiler dependency

pkg/compiler/lib/src/resolution/members.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.resolution.members;
 
 import '../common.dart';
 import '../common/names.dart' show Selectors;
 import '../common/resolution.dart' show Feature;
 import '../compiler.dart' show Compiler;
@@ skipping 370 matching lines @@
   Name getRedirectingThisOrSuperConstructorName(Send node) {
     if (isNamedConstructor(node)) {
       String constructorName = node.selector.asIdentifier().source;
       return new Name(constructorName, enclosingElement.library);
     } else {
       return const PublicName('');
     }
   }
 
   FunctionElement resolveConstructorRedirection(FunctionElementX constructor) {
-    FunctionExpression node = constructor.parseNode(resolution.parsing);
+    FunctionExpression node = constructor.parseNode(resolution.parsingContext);
 
     // A synthetic constructor does not have a node.
     if (node == null) return null;
     if (node.initializers == null) return null;
     Link<Node> initializers = node.initializers.nodes;
     if (!initializers.isEmpty &&
         Initializers.isConstructorRedirect(initializers.head)) {
       Name name = getRedirectingThisOrSuperConstructorName(initializers.head);
       final ClassElement classElement = constructor.enclosingClass;
       return classElement.lookupConstructor(name.text);
@@ skipping 4269 matching lines @@
     }
     return const NoneResult();
   }
 }
 
 /// Looks up [name] in [scope] and unwraps the result.
 Element lookupInScope(
     DiagnosticReporter reporter, Node node, Scope scope, String name) {
   return Elements.unwrap(scope.lookup(name), reporter, node);
 }