Revert of Reland "Turn libbase into a component"

src/heap/spaces.h

 // Copyright 2011 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_SPACES_H_
 #define V8_HEAP_SPACES_H_
 
 #include <list>
 #include <memory>
 #include <unordered_set>
@@ skipping 447 matching lines @@
   inline TypedSlotSet* typed_old_to_new_slots() {
     return typed_old_to_new_slots_.Value();
   }
   inline TypedSlotSet* typed_old_to_old_slots() {
     return typed_old_to_old_slots_;
   }
   inline LocalArrayBufferTracker* local_tracker() { return local_tracker_; }
 
   V8_EXPORT_PRIVATE void AllocateOldToNewSlots();
   void ReleaseOldToNewSlots();
-  V8_EXPORT_PRIVATE void AllocateOldToOldSlots();
+  void AllocateOldToOldSlots();
   void ReleaseOldToOldSlots();
   void AllocateTypedOldToNewSlots();
   void ReleaseTypedOldToNewSlots();
   void AllocateTypedOldToOldSlots();
   void ReleaseTypedOldToOldSlots();
   void AllocateLocalTracker();
   void ReleaseLocalTracker();
 
   Address area_start() { return area_start_; }
   Address area_end() { return area_end_; }
@@ skipping 2468 matching lines @@
   PageIterator old_iterator_;
   PageIterator code_iterator_;
   PageIterator map_iterator_;
   LargePageIterator lo_iterator_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_HEAP_SPACES_H_