Add a host parameter to ObjectVisitor methods.

src/heap/mark-compact.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_HEAP_MARK_COMPACT_H_
 #define V8_HEAP_MARK_COMPACT_H_
 
 #include <deque>
 
 #include "src/base/bits.h"
@@ skipping 259 matching lines @@
   inline void AddCandidate(JSFunction* function);
 
   void EvictCandidate(SharedFunctionInfo* shared_info);
   void EvictCandidate(JSFunction* function);
 
   void ProcessCandidates() {
     ProcessSharedFunctionInfoCandidates();
     ProcessJSFunctionCandidates();
   }
 
-  void IteratePointersToFromSpace(ObjectVisitor* v);
+  inline void VisitListHeads(RootVisitor* v);
+
+  template <typename StaticVisitor>
+  inline void IteratePointersToFromSpace();
 
  private:
   void ProcessJSFunctionCandidates();
   void ProcessSharedFunctionInfoCandidates();
 
   static inline JSFunction** GetNextCandidateSlot(JSFunction* candidate);
   static inline JSFunction* GetNextCandidate(JSFunction* candidate);
   static inline void SetNextCandidate(JSFunction* candidate,
                                       JSFunction* next_candidate);
   static inline void ClearNextCandidate(JSFunction* candidate,
@@ skipping 542 matching lines @@
   ~EvacuationScope() { collector_->set_evacuation(false); }
 
  private:
   MarkCompactCollector* collector_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_HEAP_MARK_COMPACT_H_