Cleanup FreeSpace: Remove getter for address of next pointer

src/heap/spaces.cc

 // 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.
 
 #include "src/heap/spaces.h"
 
 #include "src/base/bits.h"
 #include "src/base/platform/platform.h"
 #include "src/full-codegen/full-codegen.h"
 #include "src/heap/slots-buffer.h"
@@ skipping 2217 matching lines @@
   return false;
 }
 
 
 FreeSpace* FreeListCategory::PickNodeFromList(int* node_size) {
   FreeSpace* node = top();
   if (node == nullptr) return nullptr;
 
   Page* page = Page::FromAddress(node->address());
   while ((node != nullptr) && page->IsEvacuationCandidate()) {
-    available_ -= node->Size();
+    available_ -= node->size();
     page->add_available_in_free_list(type_, -(node->Size()));
     node = node->next();
   }
 
   if (node != nullptr) {
     set_top(node->next());
     *node_size = node->Size();
     available_ -= *node_size;
   } else {
     set_top(nullptr);
@@ skipping 1018 matching lines @@
     object->ShortPrint();
     PrintF("\n");
   }
   printf(" --------------------------------------\n");
   printf(" Marked: %x, LiveCount: %x\n", mark_size, LiveBytes());
 }
 
 #endif  // DEBUG
 }  // namespace internal
 }  // namespace v8