Create ChangeNotice(s) and set parsed/resolved units.

pkg/analyzer/lib/src/context/context.dart

Index: pkg/analyzer/lib/src/context/context.dart
diff --git a/pkg/analyzer/lib/src/context/context.dart b/pkg/analyzer/lib/src/context/context.dart
index bbf712884402475b66a544f3a5aea581098bf65a..0e16454f22c4e3e854fe84acb312ee6da7c662ff 100644
--- a/pkg/analyzer/lib/src/context/context.dart
+++ b/pkg/analyzer/lib/src/context/context.dart
@@ -1416,12 +1416,8 @@ class AnalysisContextImpl implements InternalAnalysisContext {
     return notices;
   }
 
-  /**
-   * Return a change notice for the given [source], creating one if one does not
-   * already exist.
-   */
-  ChangeNoticeImpl _getNotice(Source source) {
-    // Used in commented out code.
+  @override
+  ChangeNoticeImpl getNotice(Source source) {
     ChangeNoticeImpl notice = _pendingNotices[source];
     if (notice == null) {
       notice = new ChangeNoticeImpl(source);