[heap] Move slots buffer into a separate file.

src/heap/mark-compact-inl.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_INL_H_
 #define V8_HEAP_MARK_COMPACT_INL_H_
 
 #include "src/heap/mark-compact.h"
 #include "src/isolate.h"
 
@@ skipping 37 matching lines @@
 }
 
 
 bool MarkCompactCollector::IsMarked(Object* obj) {
   DCHECK(obj->IsHeapObject());
   HeapObject* heap_object = HeapObject::cast(obj);
   return Marking::IsBlackOrGrey(Marking::MarkBitFrom(heap_object));
 }
 
 
-void MarkCompactCollector::RecordSlot(HeapObject* object, Object** slot,
-                                      Object* target,
-                                      SlotsBuffer::AdditionMode mode) {
-  Page* target_page = Page::FromAddress(reinterpret_cast<Address>(target));
-  if (target_page->IsEvacuationCandidate() &&
-      !ShouldSkipEvacuationSlotRecording(object)) {
-    if (!SlotsBuffer::AddTo(&slots_buffer_allocator_,
-                            target_page->slots_buffer_address(), slot, mode)) {
-      EvictPopularEvacuationCandidate(target_page);
-    }
-  }
-}
-
-
 void CodeFlusher::AddCandidate(SharedFunctionInfo* shared_info) {
   if (GetNextCandidate(shared_info) == NULL) {
     SetNextCandidate(shared_info, shared_function_info_candidates_head_);
     shared_function_info_candidates_head_ = shared_info;
   }
 }
 
 
 void CodeFlusher::AddCandidate(JSFunction* function) {
   DCHECK(function->code() == function->shared()->code());
@@ skipping 70 matching lines @@
 
 void CodeFlusher::ClearNextCodeMap(SharedFunctionInfo* holder) {
   FixedArray* code_map = FixedArray::cast(holder->optimized_code_map());
   code_map->set_undefined(SharedFunctionInfo::kNextMapIndex);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_HEAP_MARK_COMPACT_INL_H_