Remove LayoutBlock::deleteLineBoxTree().

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

 /*
  * Copyright (C) 2009 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 101 matching lines @@
         return;
 
     if (toBase->childrenInline())
         toBase->makeChildrenNonInline();
 
     // If an anonymous block would be put next to another such block, then merge those.
     LayoutObject* firstChildHere = firstChild();
     LayoutObject* lastChildThere = toBase->lastChild();
     if (firstChildHere->isAnonymousBlock() && firstChildHere->childrenInline()
         && lastChildThere && lastChildThere->isAnonymousBlock() && lastChildThere->childrenInline()) {
-        LayoutBlock* anonBlockHere = toLayoutBlock(firstChildHere);
-        LayoutBlock* anonBlockThere = toLayoutBlock(lastChildThere);
+        LayoutBlockFlow* anonBlockHere = toLayoutBlockFlow(firstChildHere);
+        LayoutBlockFlow* anonBlockThere = toLayoutBlockFlow(lastChildThere);
         anonBlockHere->moveAllChildrenTo(anonBlockThere, anonBlockThere->children());
         anonBlockHere->deleteLineBoxTree();
         anonBlockHere->destroy();
     }
     // Move all remaining children normally.
     moveChildrenTo(toBase, firstChild(), beforeChild);
 }
 
 ETextAlign LayoutRubyBase::textAlignmentForLine(bool /* endsWithSoftBreak */) const
 {
@@ skipping 11 matching lines @@
         expansionOpportunityCount = maxCount;
 
     // Inset the ruby base by half the inter-ideograph expansion amount.
     LayoutUnit inset = (logicalWidth - maxPreferredLogicalWidth) / (expansionOpportunityCount + 1);
 
     logicalLeft += inset / 2;
     logicalWidth -= inset;
 }
 
 } // namespace blink