Fix source information positions for deserialized patched elements.

pkg/compiler/lib/src/elements/modelx.dart

 // Copyright (c) 2013, 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 elements.modelx;
 
 import '../common.dart';
 import '../common/resolution.dart' show Resolution, ParsingContext;
 import '../compiler.dart' show Compiler;
 import '../constants/constant_constructors.dart';
@@ skipping 3232 matching lines @@
   ResolvedAst get resolvedAst {
     Node node = definingElement.node;
     Node body;
     if (definingElement.isField) {
       FieldElement field = definingElement;
       body = field.initializer;
     } else if (node != null && node.asFunctionExpression() != null) {
       body = node.asFunctionExpression().body;
     }
     return new ParsedResolvedAst(
-        declaration, node, body, definingElement.treeElements);
+        declaration,
+        node,
+        body,
+        definingElement.treeElements,
+        definingElement.compilationUnit.script.resourceUri);
   }
 }