[heap] Register an idle embedder garbage collection when starting incremental marking through reach…

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index f1b318046b47cd6cac20e2d886e0b466a105bbfa..e68f8ec2067c9791b295727f9192f8c6698cea82 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -1068,8 +1068,8 @@ bool Heap::CollectGarbage(GarbageCollector collector,
   // causes another mark-compact.
   if (IsYoungGenerationCollector(collector) &&
       !ShouldAbortIncrementalMarking()) {
-    StartIncrementalMarkingIfAllocationLimitIsReached(kNoGCFlags,
-                                                      kNoGCCallbackFlags);
+    StartIncrementalMarkingIfAllocationLimitIsReached(
+        kNoGCFlags, kGCCallbackScheduleIdleGarbageCollection);
   }
 
   return next_gc_likely_to_collect_more;