Remove parent from SummaryResynthesizer.

pkg/analyzer/test/src/summary/resynthesize_common.dart

Index: pkg/analyzer/test/src/summary/resynthesize_common.dart
diff --git a/pkg/analyzer/test/src/summary/resynthesize_common.dart b/pkg/analyzer/test/src/summary/resynthesize_common.dart
index 1494f78be82c78a93c59621d1fcc0a995f65a151..5eaf53a257ea2ff2192313d1401f94702966346a 100644
--- a/pkg/analyzer/test/src/summary/resynthesize_common.dart
+++ b/pkg/analyzer/test/src/summary/resynthesize_common.dart
@@ -4911,9 +4911,9 @@ class TestSummaryResynthesizer extends SummaryResynthesizer {
    */
   final Set<String> linkedSummariesRequested = new Set<String>();
 
-  TestSummaryResynthesizer(SummaryResynthesizer parent, AnalysisContext context,
-      this.unlinkedSummaries, this.linkedSummaries, this.allowMissingFiles)
-      : super(parent, context, context.sourceFactory,
+  TestSummaryResynthesizer(AnalysisContext context, this.unlinkedSummaries,
+      this.linkedSummaries, this.allowMissingFiles)
+      : super(context, context.sourceFactory,
             context.analysisOptions.strongMode) {
     // Clear after resynthesizing TypeProvider in super().
     unlinkedSummariesRequested.clear();