[heap] GCTracer: Account for sweeping during incremental marking

src/heap/incremental-marking.cc

Index: src/heap/incremental-marking.cc
diff --git a/src/heap/incremental-marking.cc b/src/heap/incremental-marking.cc
index b9e7c61ba05942c8f9c2ce81a29569d3e2935527..0525b287d85ab8d49c4706ad645176161f7e1326 100644
--- a/src/heap/incremental-marking.cc
+++ b/src/heap/incremental-marking.cc
@@ -1200,8 +1200,8 @@ intptr_t IncrementalMarking::Step(intptr_t allocated_bytes,
 
     bytes_scanned_ += bytes_to_process;
 
-    // TODO(hpayer): Do not account for sweeping finalization while marking.
     if (state_ == SWEEPING) {
+      TRACE_GC(heap_->tracer(), GCTracer::Scope::MC_INCREMENTAL_SWEEPING);
       FinalizeSweeping();
     }