[heap] Report proper GC type in prologue/eplilogue callbacks.

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index f19e52156d83ab8538bf7283ae5b01f2a00acabe..ec3837cfbec09c4ce8f52b2e9a7530d8203863c4 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -768,9 +768,7 @@ void Heap::OverApproximateWeakClosure(const char* gc_reason) {
       GCTracer::Scope scope(tracer(), GCTracer::Scope::EXTERNAL);
       VMState<EXTERNAL> state(isolate_);
       HandleScope handle_scope(isolate_);
-      // TODO(mlippautz): Report kGCTypeIncremental once blink updates its
-      // filtering.
-      CallGCPrologueCallbacks(kGCTypeMarkSweepCompact, kNoGCCallbackFlags);
+      CallGCPrologueCallbacks(kGCTypeIncrementalMarking, kNoGCCallbackFlags);
     }
   }
   incremental_marking()->MarkObjectGroups();
@@ -781,9 +779,7 @@ void Heap::OverApproximateWeakClosure(const char* gc_reason) {
       GCTracer::Scope scope(tracer(), GCTracer::Scope::EXTERNAL);
       VMState<EXTERNAL> state(isolate_);
       HandleScope handle_scope(isolate_);
-      // TODO(mlippautz): Report kGCTypeIncremental once blink updates its
-      // filtering.
-      CallGCEpilogueCallbacks(kGCTypeMarkSweepCompact, kNoGCCallbackFlags);
+      CallGCEpilogueCallbacks(kGCTypeIncrementalMarking, kNoGCCallbackFlags);
     }
   }
 }