Check if Member owner thread matches pointer thread and current thread

third_party/WebKit/Source/core/layout/LayoutObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 112 matching lines @@
     void* pointers[6];
 #if ENABLE(ASSERT)
     unsigned m_debugBitfields : 2;
 #endif
     unsigned m_bitfields;
     unsigned m_bitfields2;
     LayoutRect rect; // Stores the previous paint invalidation rect.
     LayoutPoint position; // Stores the previous position from the paint invalidation container.
 };
 
+#if !DCHECK_IS_ON()

[haraken, 2016/08/16 13:27:13]

Ditto.

[keishi, 2016/08/17 11:18:28]

Done.

 static_assert(sizeof(LayoutObject) == sizeof(SameSizeAsLayoutObject), "LayoutObject should stay small");
+#endif
 
 bool LayoutObject::s_affectsParentBlock = false;
 
 // The pointer to paint properties is implemented as a global hash map temporarily,
 // to avoid memory regression during the transition towards SPv2.
 typedef HashMap<const LayoutObject*, std::unique_ptr<ObjectPaintProperties>> ObjectPaintPropertiesMap;
 static ObjectPaintPropertiesMap& objectPaintPropertiesMap()
 {
     DEFINE_STATIC_LOCAL(ObjectPaintPropertiesMap, staticObjectPaintPropertiesMap, ());
     return staticObjectPaintPropertiesMap;
@@ skipping 3338 matching lines @@
         const blink::LayoutObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showLayoutTreeAndMark(object1, "*", object2, "-", 0);
     } else {
         WTFLogAlways("%s", "Cannot showLayoutTree. Root is (nil)");
     }
 }
 
 #endif