Fix for file:// package: references to the same element.

pkg/analysis_server/lib/src/services/index/store/codec.dart

Index: pkg/analysis_server/lib/src/services/index/store/codec.dart
diff --git a/pkg/analysis_server/lib/src/services/index/store/codec.dart b/pkg/analysis_server/lib/src/services/index/store/codec.dart
index de900568c23297c7f22a847351d3d91f8b7d3e91..1625edd88fcf35715c3632d6a24e6bd205957379 100644
--- a/pkg/analysis_server/lib/src/services/index/store/codec.dart
+++ b/pkg/analysis_server/lib/src/services/index/store/codec.dart
@@ -182,8 +182,11 @@ class ElementCodec {
       if (library != null) {
         components = components.toList();
         components[0] = library.source.fullName;
-        if (element.enclosingElement is CompilationUnitElement) {
-          components[1] = library.definingCompilationUnit.source.fullName;
+        for (Element e = element; e != null; e = e.enclosingElement) {

[Brian Wilkerson, 2015/01/26 19:07:15]

Or perhaps:

  CompilationUnitElement unit = element.getAncestor(CompilationUnitElement);
  if (unit != null) {
    components[1] = unit.source.fullName;
  } 

+          if (e is CompilationUnitElement) {
+            components[1] = e.source.fullName;
+            break;
+          }
         }
       }
     }