Use EmbedderHeapTracer instead of object grouping when trace_embedder_heap flag is set

src/heap/scavenger.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/heap/scavenger.h"
 
 #include "src/contexts.h"
 #include "src/heap/heap.h"
 #include "src/heap/objects-visiting-inl.h"
 #include "src/heap/scavenger-inl.h"
@@ skipping 60 matching lines @@
                     &ObjectEvacuationStrategy<POINTER_OBJECT>::Visit);
 
     table_.Register(kVisitJSFunction, &EvacuateJSFunction);
 
     table_.RegisterSpecializations<ObjectEvacuationStrategy<DATA_OBJECT>,
                                    kVisitDataObject, kVisitDataObjectGeneric>();
 
     table_.RegisterSpecializations<ObjectEvacuationStrategy<POINTER_OBJECT>,
                                    kVisitJSObject, kVisitJSObjectGeneric>();
 
+    table_
+        .RegisterSpecializations<ObjectEvacuationStrategy<POINTER_OBJECT>,
+                                 kVisitJSApiObject, kVisitJSApiObjectGeneric>();
+
     table_.RegisterSpecializations<ObjectEvacuationStrategy<POINTER_OBJECT>,
                                    kVisitStruct, kVisitStructGeneric>();
   }
 
   static VisitorDispatchTable<ScavengingCallback>* GetTable() {
     return &table_;
   }
 
  private:
   enum ObjectContents { DATA_OBJECT, POINTER_OBJECT };
@@ skipping 370 matching lines @@
 
 void ScavengeVisitor::ScavengePointer(Object** p) {
   Object* object = *p;
   if (!heap_->InNewSpace(object)) return;
   Scavenger::ScavengeObject(reinterpret_cast<HeapObject**>(p),
                             reinterpret_cast<HeapObject*>(object));
 }
 
 }  // namespace internal
 }  // namespace v8