Add missing links from PropertyCell to dependent_code

test/cctest/test-heap-profiler.cc

Index: test/cctest/test-heap-profiler.cc
diff --git a/test/cctest/test-heap-profiler.cc b/test/cctest/test-heap-profiler.cc
index edcfff217aa250e2452da3c481b3f6a88ed82864..079f4a43641045ca91b0acec997ed51a79715d5c 100644
--- a/test/cctest/test-heap-profiler.cc
+++ b/test/cctest/test-heap-profiler.cc
@@ -160,7 +160,7 @@ static bool ValidateSnapshot(const v8::HeapSnapshot* snapshot, int depth) {
         ++unretained_entries_count;
     }
   }
-  return unretained_entries_count > 1 ? false : true;
+  return unretained_entries_count == 0;
 }