Refactor incremental marking to use static visitor.

src/objects.h

 // Copyright 2012 the V8 project authors. 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
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 5689 matching lines @@
 #endif
 
   void ResetForNewContext(int new_ic_age);
 
   // Helper to compile the shared code.  Returns true on success, false on
   // failure (e.g., stack overflow during compilation). This is only used by
   // the debugger, it is not possible to compile without a context otherwise.
   static bool CompileLazy(Handle<SharedFunctionInfo> shared,
                           ClearExceptionFlag flag);
 
-  void SharedFunctionInfoIterateBody(ObjectVisitor* v);
-
   // Casting.
   static inline SharedFunctionInfo* cast(Object* obj);
 
   // Constants.
   static const int kDontAdaptArgumentsSentinel = -1;
 
   // Layout description.
   // Pointer fields.
   static const int kNameOffset = HeapObject::kHeaderSize;
   static const int kCodeOffset = kNameOffset + kPointerSize;
@@ skipping 3101 matching lines @@
 
   // Visits a debug call target in the instruction stream.
   virtual void VisitDebugTarget(RelocInfo* rinfo);
 
   // Handy shorthand for visiting a single pointer.
   virtual void VisitPointer(Object** p) { VisitPointers(p, p + 1); }
 
   // Visit pointer embedded into a code object.
   virtual void VisitEmbeddedPointer(RelocInfo* rinfo);
 
-  virtual void VisitSharedFunctionInfo(SharedFunctionInfo* shared) {}
-
   // Visits a contiguous arrays of external references (references to the C++
   // heap) in the half-open range [start, end). Any or all of the values
   // may be modified on return.
   virtual void VisitExternalReferences(Address* start, Address* end) {}
 
   virtual void VisitExternalReference(RelocInfo* rinfo);
 
   inline void VisitExternalReference(Address* p) {
     VisitExternalReferences(p, p + 1);
   }
@@ skipping 39 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_