Implement Visitor::isGlobalMarkingVisitor

Source/platform/heap/Heap.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1974 matching lines @@
 template<MarkingMode Mode>
 class MarkingVisitor final : public Visitor {
 public:
 #if ENABLE(GC_PROFILE_MARKING)
     using LiveObjectSet = HashSet<uintptr_t>;
     using LiveObjectMap = HashMap<String, LiveObjectSet>;
     using ObjectGraph = HashMap<uintptr_t, std::pair<uintptr_t, String>>;
 #endif
 
     explicit MarkingVisitor(CallbackStack* markingStack)
-        : m_markingStack(markingStack)
+        : Visitor(Mode == GlobalMarking ? Visitor::GlobalMarkingVisitorType : Visitor::GenericVisitorType)
+        , m_markingStack(markingStack)
     {
     }
 
     inline void visitHeader(HeapObjectHeader* header, const void* objectPointer, TraceCallback callback)
     {
         ASSERT(header);
         ASSERT(objectPointer);
         // Check that we are not marking objects that are outside
         // the heap by calling Heap::contains.  However we cannot
         // call Heap::contains when outside a GC and we call mark
@@ skipping 946 matching lines @@
 bool Heap::s_shutdownCalled = false;
 bool Heap::s_lastGCWasConservative = false;
 FreePagePool* Heap::s_freePagePool;
 OrphanedPagePool* Heap::s_orphanedPagePool;
 Heap::RegionTree* Heap::s_regionTree = nullptr;
 size_t Heap::s_allocatedObjectSize = 0;
 size_t Heap::s_allocatedSpace = 0;
 size_t Heap::s_markedObjectSize = 0;
 
 } // namespace blink