Remove unused RootInlineBox::includesRootLineBoxFontOrLeading method.

Source/core/layout/line/RootInlineBox.cpp

 /*
  * Copyright (C) 2003, 2006, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 797 matching lines @@
 }
 
 
 bool RootInlineBox::fitsToGlyphs() const
 {
     // FIXME: We can't fit to glyphs yet for vertical text, since the bounds returned are garbage.
     LineBoxContain lineBoxContain = lineLayoutItem().style()->lineBoxContain();
     return isHorizontal() && (lineBoxContain & LineBoxContainGlyphs);
 }
 
-bool RootInlineBox::includesRootLineBoxFontOrLeading() const
-{
-    LineBoxContain lineBoxContain = lineLayoutItem().style()->lineBoxContain();
-    return (lineBoxContain & LineBoxContainBlock) || (lineBoxContain & LineBoxContainInline) || (lineBoxContain & LineBoxContainFont);
-}
-
 Node* RootInlineBox::getLogicalStartBoxWithNode(InlineBox*& startBox) const
 {
     Vector<InlineBox*> leafBoxesInLogicalOrder;
     collectLeafBoxesInLogicalOrder(leafBoxesInLogicalOrder);
     for (size_t i = 0; i < leafBoxesInLogicalOrder.size(); ++i) {
         if (leafBoxesInLogicalOrder[i]->lineLayoutItem().nonPseudoNode()) {
             startBox = leafBoxesInLogicalOrder[i];
             return startBox->lineLayoutItem().nonPseudoNode();
         }
     }
@@ skipping 14 matching lines @@
     endBox = nullptr;
     return nullptr;
 }
 
 const char* RootInlineBox::boxName() const
 {
     return "RootInlineBox";
 }
 
 } // namespace blink