Partially revert 5aacee to see its impact on memory histograms.

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index 49c327be29557ee33e59bc040ba6ea61bdd4bab7..05e2d0e0b89812515cb607f215c3fff3c3f591e3 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -4950,6 +4950,16 @@ void Heap::IdleNotificationEpilogue(GCIdleTimeAction action,
   isolate()->counters()->gc_idle_time_allotted_in_ms()->AddSample(
       static_cast<int>(idle_time_in_ms));
 
+  if (deadline_in_ms - start_ms >
+      GCIdleTimeHandler::kMaxFrameRenderingIdleTime) {
+    int committed_memory = static_cast<int>(CommittedMemory() / KB);
+    int used_memory = static_cast<int>(heap_state.size_of_objects / KB);
+    isolate()->counters()->aggregated_memory_heap_committed()->AddSample(
+        start_ms, committed_memory);
+    isolate()->counters()->aggregated_memory_heap_used()->AddSample(
+        start_ms, used_memory);
+  }
+
   if (deadline_difference >= 0) {
     if (action.type != DONE && action.type != DO_NOTHING) {
       isolate()->counters()->gc_idle_time_limit_undershot()->AddSample(