Cleanup friends of LayoutObject

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 343 matching lines @@
     ASSERT(isAllowedToModifyLayoutTreeStructure(document()));
 
     LayoutObjectChildList* children = virtualChildren();
     ASSERT(children);
     if (!children)
         return;
 
     children->removeChildNode(this, oldChild);
 }
 
+void LayoutObject::setDangerousOneWayParent(LayoutObject* parent)
+{
+    ASSERT(!previousSibling());
+    ASSERT(!nextSibling());
+    ASSERT(!parent || !m_parent);
+    setParent(parent);
+}
+
 void LayoutObject::registerSubtreeChangeListenerOnDescendants(bool value)
 {
     // If we're set to the same value then we're done as that means it's
     // set down the tree that way already.
     if (m_bitfields.subtreeChangeListenerRegistered() == value)
         return;
 
     m_bitfields.setSubtreeChangeListenerRegistered(value);
 
     for (LayoutObject* curr = slowFirstChild(); curr; curr = curr->nextSibling())
@@ skipping 1381 matching lines @@
         // TODO(rune@opera.com): We should use the diff to determine whether a repaint vs. layout
         // is needed, but for now just assume a layout will be required. The diff code
         // in LayoutObject::setStyle would need to be factored out so that it could be reused.
         setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvalidation(LayoutInvalidationReason::StyleChange);
     }
 }
 
 void LayoutObject::markContainingBlocksForOverflowRecalc()
 {
     for (LayoutBlock* container = containingBlock(); container && !container->childNeedsOverflowRecalcAfterStyleChange(); container = container->containingBlock())
-        container->setChildNeedsOverflowRecalcAfterStyleChange(true);
+        container->setChildNeedsOverflowRecalcAfterStyleChange();
 }
 
 void LayoutObject::setNeedsOverflowRecalcAfterStyleChange()
 {
     bool neededRecalc = needsOverflowRecalcAfterStyleChange();
-    setSelfNeedsOverflowRecalcAfterStyleChange(true);
+    setSelfNeedsOverflowRecalcAfterStyleChange();
     if (!neededRecalc)
         markContainingBlocksForOverflowRecalc();
 }
 
 void LayoutObject::setStyle(PassRefPtr<ComputedStyle> style)
 {
     ASSERT(style);
 
     if (m_style == style) {
         // We need to run through adjustStyleDifference() for iframes, plugins, and canvas so
@@ skipping 1602 matching lines @@
         const blink::LayoutObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showLayoutTreeAndMark(object1, "*", object2, "-", 0);
     } else {
         fprintf(stderr, "Cannot showLayoutTree. Root is (nil)\n");
     }
 }
 
 #endif