Revert of Merge cellspace into old pointer space

src/api.cc

 // 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.
 
 #include "src/api.h"
 
 #include <string.h>  // For memcpy, strlen.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #endif  // V8_USE_ADDRESS_SANITIZER
@@ skipping 211 matching lines @@
   intptr_t old_space_capacity;
   heap_stats.old_space_capacity = &old_space_capacity;
   intptr_t code_space_size;
   heap_stats.code_space_size = &code_space_size;
   intptr_t code_space_capacity;
   heap_stats.code_space_capacity = &code_space_capacity;
   intptr_t map_space_size;
   heap_stats.map_space_size = &map_space_size;
   intptr_t map_space_capacity;
   heap_stats.map_space_capacity = &map_space_capacity;
+  intptr_t cell_space_size;
+  heap_stats.cell_space_size = &cell_space_size;
+  intptr_t cell_space_capacity;
+  heap_stats.cell_space_capacity = &cell_space_capacity;
   intptr_t lo_space_size;
   heap_stats.lo_space_size = &lo_space_size;
   int global_handle_count;
   heap_stats.global_handle_count = &global_handle_count;
   int weak_global_handle_count;
   heap_stats.weak_global_handle_count = &weak_global_handle_count;
   int pending_global_handle_count;
   heap_stats.pending_global_handle_count = &pending_global_handle_count;
   int near_death_global_handle_count;
   heap_stats.near_death_global_handle_count = &near_death_global_handle_count;
@@ skipping 7831 matching lines @@
   Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate());
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 } }  // namespace v8::internal