[heap] Simplify marking of JSFunction and SFI

src/heap/objects-visiting.h

 // Copyright 2012 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.
 
 #ifndef V8_OBJECTS_VISITING_H_
 #define V8_OBJECTS_VISITING_H_
 
 #include "src/allocation.h"
 #include "src/heap/heap.h"
 #include "src/heap/spaces.h"
@@ skipping 368 matching lines @@
 
   // Mark pointers in a Map treating some elements of the descriptor array weak.
   static void MarkMapContents(Heap* heap, Map* map);
 
   // Code flushing support.
   INLINE(static bool IsFlushable(Heap* heap, JSFunction* function));
   INLINE(static bool IsFlushable(Heap* heap, SharedFunctionInfo* shared_info));
 
   // Helpers used by code flushing support that visit pointer fields and treat
   // references to code objects either strongly or weakly.
-  static void VisitSharedFunctionInfoStrongCode(Heap* heap, HeapObject* object);
-  static void VisitSharedFunctionInfoWeakCode(Heap* heap, HeapObject* object);
+  static void VisitSharedFunctionInfoStrongCode(Map* map, HeapObject* object);
+  static void VisitSharedFunctionInfoWeakCode(Map* map, HeapObject* object);
   static void VisitJSFunctionStrongCode(Map* map, HeapObject* object);
   static void VisitJSFunctionWeakCode(Map* map, HeapObject* object);
 
   class DataObjectVisitor {
    public:
     template <int size>
     static inline void VisitSpecialized(Map* map, HeapObject* object) {}
 
     INLINE(static void Visit(Map* map, HeapObject* object)) {}
   };
@@ skipping 47 matching lines @@
 // the next element. Given the head of the list, this function removes dead
 // elements from the list and if requested records slots for next-element
 // pointers. The template parameter T is a WeakListVisitor that defines how to
 // access the next-element pointers.
 template <class T>
 Object* VisitWeakList(Heap* heap, Object* list, WeakObjectRetainer* retainer);
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_VISITING_H_