Minor cleanup of StoreBuffer related heap iteration methods.

src/mark-compact.cc

 // Copyright 2011 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 1985 matching lines @@
 
   Address old_addr = object->address();
 
   Address new_addr = Memory::Address_at(old_addr);
 
   // The new space sweep will overwrite the map word of dead objects
   // with NULL. In this case we do not need to transfer this entry to
   // the store buffer which we are rebuilding.
   if (new_addr != NULL) {
     *p = HeapObject::FromAddress(new_addr);
-    if (HEAP->InNewSpace(new_addr)) {
-      HEAP->store_buffer()->
-          EnterDirectlyIntoStoreBuffer(reinterpret_cast<Address>(p));
-    }
   } else {
     // We have to zap this pointer, because the store buffer may overflow later,
     // and then we have to scan the entire heap and we don't want to find
     // spurious newspace pointers in the old space.
     *p = HeapObject::FromAddress(NULL);  // Fake heap object not in new space.
   }
 }
 
 
 static String* UpdateNewSpaceReferenceInExternalStringTableEntry(Heap* heap,
@@ skipping 750 matching lines @@
 }
 
 
 void MarkCompactCollector::Initialize() {
   StaticPointersToNewGenUpdatingVisitor::Initialize();
   StaticMarkingVisitor::Initialize();
 }
 
 
 } }  // namespace v8::internal