[heap] Use size_t in free list and evacuation candidate selection.

src/heap/spaces-inl.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_INL_H_
 #define V8_HEAP_SPACES_INL_H_
 
 #include "src/heap/incremental-marking.h"
 #include "src/heap/spaces.h"
 #include "src/isolate.h"
@@ skipping 261 matching lines @@
   });
 }
 
 intptr_t PagedSpace::RelinkFreeListCategories(Page* page) {
   DCHECK_EQ(this, page->owner());
   intptr_t added = 0;
   page->ForAllFreeListCategories([&added](FreeListCategory* category) {
     added += category->available();
     category->Relink();
   });
+  DCHECK_EQ(page->AvailableInFreeList(), page->available_in_free_list());
   return added;
 }
 
 MemoryChunk* MemoryChunk::FromAnyPointerAddress(Heap* heap, Address addr) {
   MemoryChunk* chunk = MemoryChunk::FromAddress(addr);
   uintptr_t offset = addr - chunk->address();
   if (offset < MemoryChunk::kHeaderSize || !chunk->HasPageHeader()) {
     chunk = heap->lo_space()->FindPage(addr);
   }
   return chunk;
@@ skipping 335 matching lines @@
     other->allocation_info_.Reset(nullptr, nullptr);
     return true;
   }
   return false;
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_HEAP_SPACES_INL_H_