Oilpan: Decrease m_promptlyFreedSize in makeConsistentForMutator

Source/platform/heap/Heap.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1300 matching lines @@
     if (markedObjectSize)
         Heap::increaseMarkedObjectSize(markedObjectSize);
 }
 
 void NormalPage::makeConsistentForMutator()
 {
     Address startOfGap = payload();
     for (Address headerAddress = payload(); headerAddress < payloadEnd();) {
         HeapObjectHeader* header = reinterpret_cast<HeapObjectHeader*>(headerAddress);
         ASSERT(header->size() < blinkPagePayloadSize());
-        // Check if a free list entry first since we cannot call
-        // isMarked on a free list entry.
+        if (header->isPromptlyFreed())
+            heapForNormalPage()->decreasePromptlyFreedSize(header->size());
         if (header->isFree()) {
             headerAddress += header->size();
             continue;
         }
         header->checkHeader();
 
         if (startOfGap != headerAddress)
             heapForNormalPage()->addToFreeList(startOfGap, headerAddress - startOfGap);
-        if (header->isMarked()) {
+        if (header->isMarked())
             header->unmark();
-        }
         headerAddress += header->size();
         startOfGap = headerAddress;
     }
     if (startOfGap != payloadEnd())
         heapForNormalPage()->addToFreeList(startOfGap, payloadEnd() - startOfGap);
 }
 
 #if defined(ADDRESS_SANITIZER)
 void NormalPage::poisonObjects(ObjectsToPoison objectsToPoison, Poisoning poisoning)
 {
@@ skipping 1100 matching lines @@
 size_t Heap::s_allocatedObjectSize = 0;
 size_t Heap::s_allocatedSpace = 0;
 size_t Heap::s_markedObjectSize = 0;
 // We don't want to use 0 KB for the initial value because it may end up
 // triggering the first GC of some thread too prematurely.
 size_t Heap::s_estimatedLiveObjectSize = 512 * 1024;
 size_t Heap::s_externalObjectSizeAtLastGC = 0;
 double Heap::s_estimatedMarkingTimePerByte = 0.0;
 
 } // namespace blink